Math Is Fun Forum

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#641. The ratio of parallel sides of a trapezium is 3 : 2. If the height of the trapezium is 15 cm and its area is 135 square centimeters, then find the length of the longer parallel side.

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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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Excellent!

M#642.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#643. Find the diameter of a circle whose area is equal to the sum of the area of two circles (approximately) of radius 15 cm and 22 cm.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M # 644. A wire is bent in the form of a square of side 12 centimeters. If it is cut and bent in the form of a circle, find the radius of the circle. Use

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

Last edited by irspow (2021-02-27 04:57:07)

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#645. Find the percentage increase in the area of the circle if its radius is increased by 50%.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#646. If the area of a circular park is 62.82 hectares. Find the total cost of fencing the park at the rate of 72 cents per meter. Use

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Remarkable!

M#647.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Excellent!

M#648. A circular wheel covers a distance of 2.5 kilometers in 240 revolutions. Find the diameter of the wheel. Use

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#649. Find the volume and surface area of a room whose length, breadth, and height are 16 meters, 14 meters, and 10 meters.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Excellent!

M#650. Find the length of the longest pole (approximately) that can be put in a room of dimensions 15 m x 12 m x 6 m.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#651. Four equal cubes are kept adjacent to each other in a row. Find the ratio of the surface area of the cuboid so formed and the surface area of all the four cubes taken together.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,982

Re: Mensuration

Hi,

Neat work!

M#652. The length of a rectangular garden is 12 meters and its breadth is 5 meters. Find the length of the diagonal of a square garden, having the same area as that of the rectangular garden.

---

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.

irspow

Member

Registered: 2005-11-24

Posts: 1,055

Re: Mensuration

---

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.