# Math Is Fun Forum

Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

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## #1051 2021-02-10 14:46:21

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Good work!

M#628. The area of a square and a rectangle are equal. The length of the rectangle is greater than the length of a side by 5 centimeters and the breadth is less than the length of the side of the square by 3 centimeters. Find the perimeter of the rectangle.

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.

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## #1052 2021-02-11 06:05:03

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.

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## #1053 2021-02-11 14:18:48

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#629. Cost of fencing a rectangular garden at \$5 per meter is \$2505. The length of the garden is one and half times its breadth, then find the breadth of the garden.

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.

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## #1054 2021-02-12 05:50:25

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.

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## #1055 2021-02-12 14:32:15

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#630. A rectangle has width 'a' and length 'b'. If the width is decreased by 20% and the length is increased by 10%, what will be the new area?

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.

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## #1056 2021-02-13 05:37:39

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.

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## #1057 2021-02-13 14:54:14

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#631. The length and breadth of a rectangular field is increased by 15% and 10% respectively. What is the effect on its area?

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.

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## #1058 2021-02-14 06:56:56

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.

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## #1059 2021-02-14 14:28:06

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#632. A rectangular field, 126 m by 108 m, has a 4 m wide path inside it, on all four sides. Find the cost of paving the path at 16.25 square meters.

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.

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## #1060 2021-02-15 06:16:16

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.

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## #1061 2021-02-15 14:21:11

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#633. What will be the area (in square meters) of a 1.5 meter wide garden developed around all the four sides of a rectangular field having an area equal to 300 square meters and breadth equal to three-fourth of the length?

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.

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## #1062 2021-02-16 06:11:24

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.

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## #1063 2021-02-16 15:37:01

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Excellent!

M634. Find the area of a triangle whose sides are 42m, 40m, and 26m.

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.

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## #1064 2021-02-17 06:17:28

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.

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## #1065 2021-02-17 14:10:19

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#635. Given that area of a triangle is 30 square centimeters. If the length of its hypotenuse is 13 centimeters, then find the lenght of the shortest side.

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.

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## #1066 2021-02-18 07:01:35

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.

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## #1067 2021-02-18 13:23:59

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#636. Find the area of the isoceles triangle ABC, where AB = BC = 10 cm and AC = 12 cm.

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.

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## #1068 2021-02-19 06:18:33

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.

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## #1069 2021-02-19 14:23:14

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Neat work!

M#637. Find the ratio of the area of an equilateral triangle and a square, with equal perimeter.

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.

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## #1070 2021-02-20 06:42:30

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.

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## #1071 2021-02-20 14:24:54

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Excellent!

M#638. Find the circumradius of an equilateral triangle with side 4 centimeters.

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.

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## #1072 2021-02-21 05:47:19

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.

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## #1073 2021-02-21 14:22:32

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Excellent!

M#639. It costs Mr.A a total of \$500.25 for paving a triangular path at the rate of \$43.50 per hectare. If the base of the triangular path is twice its height, then find the height of the path (approximately).

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.

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## #1074 2021-02-22 04:34:08

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.

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## #1075 2021-02-22 14:19:22

ganesh
Registered: 2005-06-28
Posts: 33,311

### Re: Mensuration

Hi,

Excellent!

M#640. In a trapezium ABCD, AB || CD. Also, AB = 10, DC = 15, BC = 12 and AD = 16. Find the area of the trapezium if the distance between its parallel sides AB and CD is equal to 7 square units.

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.

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