#1076 2021-02-23 05:35:00

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

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 is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

Re: Mensuration

Hi,

Excellent!

M#642.

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It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

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.

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It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

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

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It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

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

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

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 is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

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 is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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

ganesh

Administrator

Registered: 2005-06-28

Posts: 32,518

Re: Mensuration

Hi,

Remarkable!

M#647.

---

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

irspow

Member

Registered: 2005-11-24

Posts: 829

Re: Mensuration

---

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