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#976 2020-02-29 22:56:05

ganesh
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Registered: 2005-06-28
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Re: Mensuration

Hi,

M # 588. The radius of a sphere is r centimeters. It is divided into two equal parts. Find the whole surface area of two parts.


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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#977 2020-04-01 01:06:35

ganesh
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Posts: 30,869

Re: Mensuration

Hi,

M # 589. If the number of square centimeters in the surface area of a sphere is equal to the number of cubic centimeters in its volume, find the diameter of the sphere.


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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#978 2020-04-01 15:56:55

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration

M#589. D=6 units.


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#979 2020-04-02 00:26:40

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

The solution M # 589 is correct. Good work!

M # 590. A tent constructed in the form of a square pyramid of base perimeter 80 meters and lateral edge 26 meters.
(a) Calculate the slant height of the tent.
(b) Calculate the area of tarpaulin sheet required to cover the lateral faces of the tent.


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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#980 2020-04-30 23:18:51

ganesh
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Posts: 30,869

Re: Mensuration

Hi,

M # 591. What is the surface area of cone of base diameter 30 centimeters and height 40 centimeters 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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#981 2020-05-31 23:17:49

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

M # 592. The base edge of a square pyramid is 8 centimeters, height 3 centimeters. Find the slant height and lateral edge.


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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#982 2020-07-04 16:49:28

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

M # 593. The base edge of a square pyramid is 6 centimetres, height 4 centimetres, calculate slant height and total surface 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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#983 2020-07-04 18:03:06

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#984 2020-07-04 20:23:31

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Neat work!

M # 594. A sector is folded in such a way as to get a cone. Radius of the sector is 12 centimetres, central angle 120°. Calculate radius and slant height.


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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#985 2020-07-11 15:56:03

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#986 2020-07-11 17:05:47

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Good work!

M # 595. The central angle of a sector is 90°, radius 16 centimeters, calculate slant height, and radius.


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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#987 2020-07-17 01:11:10

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

M # 596. Radius of a cone is 4 centimeters, slant height is 2.5 times radius. Calculate the radius and central angle of the sector.


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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#988 2020-07-18 13:16:56

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#989 2020-07-18 14:09:27

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Neat work!

M # 597. The base perimeter of a square pyramid is 48 centimeters. Slant height is 10 centimeters. Calculate lateral surface area and volume.


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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#990 2020-07-25 13:53:39

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#991 2020-07-25 14:16:23

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Neat work (both parts)!

M # 598. The height of a square pyramid is 15 centimeters, volume is 1620 cubic centimeters. Calculate total surface 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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#992 2020-08-01 00:05:34

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

M # 599. The height of a cone is 4 centimeters, slant height is 5 centimeters. Calculate total surface 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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#993 2020-08-01 14:43:00

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration

Last edited by 666 bro (2020-08-01 14:46:14)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#994 2020-08-01 16:13:36

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Neat work!

M # 600. Radius of a cone is 10 centimeters, volume 3140 cubic centimeters. Calculate total surface 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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#995 2020-08-08 14:42:51

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 335

Re: Mensuration

Last edited by 666 bro (2020-08-08 14:43:22)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#996 2020-08-08 15:04:30

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,869

Re: Mensuration

Hi,

Excellent!

M # 601. A solid sphere of radius 7 centimeters is melted and recast into a cone of same radius of the sphere. Calculate the height of the cone.


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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