The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is 4pi /3, what is the length of line segment RU?
A. 4/3
B. 8/3
C. 3
D. 4
E. 6
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
Circle
This topic has expert replies
-
jainrahul1985
- Master | Next Rank: 500 Posts
- Posts: 228
- Joined: Sun Aug 17, 2008 8:08 am
- Thanked: 4 times
-
ajith
- Legendary Member
- Posts: 1275
- Joined: Thu Sep 21, 2006 11:13 pm
- Location: Arabian Sea
- Thanked: 125 times
- Followed by:2 members
The perimeter of the circle = 8pijainrahul1985 wrote:The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is 4pi /3, what is the length of line segment RU?
A. 4/3
B. 8/3
C. 3
D. 4
E. 6
The length of the arc = 4pi/3
Angle subtended at the center = 360* (4pi/3)/8pi = 60
Triangle ORU is an equilateral => RU = 4
Always borrow money from a pessimist, he doesn't expect to be paid back.
