Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#451 2016-04-15 16:29:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#199 is correct. Well done, bobbym!
M#200. The external and internal diameters of a circular path are 10 meters and 6 meters respectively. Find the area of the circular path (in terms of 'pi').
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
#452 2016-04-15 18:09:37
- 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
#453 2016-04-16 02:59:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#200 is correct. Neat work, bobbym!
M#201. The diameter of a semicircle is 8 cm. Find its area (in terms of pi).
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
#454 2016-04-16 16:29:55
- 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
#455 2016-04-17 00:24:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#201 is correct. Good work, bobbym!
M#202. Find the radius of the circle whose area is 154 square centimeters.
M#203. Find the radius of the circle whose circumference is 176 centimeters.
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
#456 2016-04-17 03:32:37
- 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
#457 2016-04-17 16:18:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solutions M#202 and M#203 are correct. Neat work, bobbym!
M#204. The radius of a circle is 21 cm. Find its circumference.
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
#458 2016-04-17 18:04:30
- 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
#459 2016-04-18 16:14:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#204 is correct. Well done, bobbym!
M#205. The radius of a circle is 21 cm. Find its area.
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
#460 2016-04-19 02:29:13
- 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
#461 2016-04-19 17:12:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#205 is correct. Good work!
M#206. Find the perimeter of sector with radius 10.5 cm and sector angle 60 degrees.
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
#462 2016-04-19 19:01:38
- 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
#463 2016-04-19 22:56:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#206 is correct. Excellent, bobbym!
M#207. In a circle of diameter 42 cm, if an arc subtends an angle of 60 degrees at the center where
, then find the length of the arc.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
#464 2016-04-20 04:35:10
- 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
#465 2016-04-20 14:55:48
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hey!
Offline
#466 2016-04-20 15:59:44
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Mensuration
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
Offline
#467 2016-04-20 16:23:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#207 is correct. Excellent, bobbym, Relentless, and Monox D. I-Fly!
M#208. Find the perimeter of a sector of circle whose central angle is 90 degrees and 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
#468 2016-04-20 16:25:25
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Mensuration
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
Offline
#469 2016-04-20 16:55:02
- 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
#470 2016-04-21 00:28:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
Brilliant, bobbym! Good attempt, Monox D. I-Fly!
M#209. The minute hand of a clock is of length 4 cm. Find the angle swept by the minute hand in 15 minutes.
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
#471 2016-04-21 02:50:20
- 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
#472 2016-04-21 16:23:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
The solution M#209 is correct. Neat work, bobbym!
M#210. Find the circumference of a sector of a circle of radius 7 cm and central angle 45 degrees.
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
#473 2016-04-21 19:19:50
- 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
#474 2016-04-21 23:36:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Mensuration
Hi;
.
M#211. Radius of a circle is 5 cm. Find the area of the sector formed by an arc of this circle of length 9 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
#475 2016-04-22 01:19:34
- Relentless
- Member
- Registered: 2015-12-15
- Posts: 631
Re: Mensuration
Hey!
Offline