Math Is Fun Forum

Sudeep

Member

Registered: 2008-07-21

Posts: 20

Re: Coordinate Geometry

What is the distance in cm between two parallel chords of lengths 32 cm and 24 cm in a circle of radius 20 cm?

integer

Member

Registered: 2008-02-21

Posts: 79

Re: Coordinate Geometry

There are two answers.
If you treat it as a 3-4-5 triangle, you don't need a calculator to get either result.

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

Re: Coordinate Geometry

hi ganesh

#5

we have that the intersection of the first two lines is (5,5).We can check that that point lies on the third line.

---

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG # 9. Find the distance between the points A(0, 6) and B(0, -2)

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It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#10. Find the distance of the point P(-6, 8) from the origin.

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It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Monox D. I-Fly

Member

From: Indonesia

Registered: 2015-12-02

Posts: 2,000

Re: Coordinate Geometry

---

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

The solution CG#10 is correct. Neat work, Monox D. I-Fly!

CG#11. Find the distance between the points (0,5) and (-5,0).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Monox D. I-Fly

Member

From: Indonesia

Registered: 2015-12-02

Posts: 2,000

Re: Coordinate Geometry

---

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

The solution CG#11 is correct. Neat work, Monox D. I-Fly!

CG#12. Find the perimeter of a triangle with vertices (0,4), (0,0), and (3,0).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Monox D. I-Fly

Member

From: Indonesia

Registered: 2015-12-02

Posts: 2,000

Re: Coordinate Geometry

---

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

The solution CG#12 is correct. Neat work, Monox D. I-Fly!

CG#13. Find the area of a triangle with vertices A(3,0), B(7,0), and C(8,4).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#14. If the distance between the points (4,0) and (1,0), then find the value of p.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG#15. Find the slope of the straight line passing through the points (3,-2) and (7, 2).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#16. Find the slope of the straight line passing through (2, -4) and origin.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#17. Find the slope of the line

and

.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG#18. Find the angle of inclination of the line passing through the points
i) (1,2) and (2,3)
ii)

and (0, 0).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#19. Find the angle of inclination of the line passing through the points  (-a, -b).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#20. The line joining the points A(0, 5) and B(4, 2) is perpendicular to the line joining the points C(-1, -2) and D(5,b). Find the value of b.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG#21. Find the equation of the straight line passing through the points (-2, 5) and (3, 6).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG#21. Find the equation of the straight line passing through the points (-2, 5) and (3, 6).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#22. The line joining the points A(-2, 3) and B(a, 5) is parallel to the line joining the points C(0, 5) and D(2, 1). Find the value of 'a'.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

CG#23. Find the slope and y-intercept of the line whose equation is
(i) y = x + 1.
(ii) 5x = 3y.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#24.  Find the slope and y-intercept of the line whose equation is 4x - 2y + 1 = 0.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,406

Re: Coordinate Geometry

Hi,

.

CG#25. Find the slope and y-intercept of the line whose equation is 10x + 15y + 6 = 0.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Monox D. I-Fly

Member

From: Indonesia

Registered: 2015-12-02

Posts: 2,000

Re: Coordinate Geometry

---

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.