Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#426 2016-04-09 18:07:17
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hi (: You mean the perimeter of the sector is 16.4 cm, not the circle P: That of the circle is 10.4pi cm
Offline
#427 2016-04-09 19:10:17
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#428 2016-04-09 21:41:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The problem M#189 ought to be : The perimeter of a sector of radius 5.2 cm, is 16.4 cm. Find the area of the sector.
Neat work, Relentless! Sorry for the inconvenience, bobbym!
M#190. The circumferences of two concentric circles forming a ring are 88 cm and 66 cm. Taking
, find the width of the ring.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.
Offline
#429 2016-04-10 01:58:04
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#430 2016-04-10 16:49:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#190 is correct. Neat work, bobbym!
M#191. Find the area of a ring-shaped region enclosed between two concentric circles of radii 4 cm and 3 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.
Offline
#431 2016-04-10 22:53:40
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#432 2016-04-11 00:02:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#191 is correct. Well done, bobbym!
M#192. Find the perimeter of a quadrant of a circle of radius 7 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.
Offline
#433 2016-04-11 12:11:08
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#434 2016-04-11 16:58:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#192 is correct. Excellent, bobbym!
M#193. Find the area of a circle whose circumference is 44 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.
Offline
#435 2016-04-11 20:59:50
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#436 2016-04-11 22:59:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#193 is correct. Good work, bobbym!
M#194. The ratio of the areas of a circle and an equilateral triangle, whose diameter and side are equal, is ____________.
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.
Offline
#437 2016-04-12 02:41:03
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hey (:
Last edited by Relentless (2016-04-12 02:42:18)
Offline
#438 2016-04-12 03:34:47
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#439 2016-04-12 17:09:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#194 is perfect. Stupendous, Relentless and bobbym!
M#195. A bicycle wheel makes 5000 revolutions in moving 11 km. Find the circumference of the wheel.
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.
Offline
#440 2016-04-12 17:53:55
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#441 2016-04-12 18:50:46
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hey!
Offline
#442 2016-04-12 22:30:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#195 is correct. Excellent, bobbym and Relentless!
M#196. If the perimeter of a semicircular protractor is 72 cm where
, then find the diameter of the protractor.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.
Offline
#443 2016-04-13 00:53:17
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hey 
Last edited by Relentless (2016-04-13 13:57:42)
Offline
#444 2016-04-13 06:16:56
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#445 2016-04-13 16:20:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#196 is correct. Excellent, Relentless and bobbym!
M#197. If the perimeter of a circle is equal to that of a square, then find the ratio of their areas.
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.
Offline
#446 2016-04-13 20:56:10
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#447 2016-04-14 00:03:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#197 is perfect. Excellent, bobbym!
M#198. If the diameter of a semi-circular protractor is 14 cm, then find its perimeter.
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.
Offline
#448 2016-04-14 03:56:16
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#449 2016-04-14 16:28:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Mensuration
Hi;
The solution M#198 is correct. Good work, bobbym!
M#199. The radii of two concentric circles are 6 cm and 4 cm. Find the ratio of their areas.
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.
Offline
#450 2016-04-14 17:06:14
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline