length of Segment

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Re: length of Segment

by stop@800 » Thu Sep 25, 2008 11:14 pm
Q is again incomplete.
vivek.kapoor83 wrote:The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is
What is the length??
, what is the length of line segment RU?

A.
B.
What are A and B ??
C. 3
D. 4
E. 6

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by vivek.kapoor83 » Thu Sep 25, 2008 11:39 pm
The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is , what is the length of line segment RU?

A. 4/3
B. 8/3
C. 3
D. 4
E. 6

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by manulath » Thu Sep 25, 2008 11:55 pm
STILL INCOMPLETE

"If the length of arc RTU is , what is the length of line segment RU? "

WHAT IS LENGTH OF ARC RTU?

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by vivek.kapoor83 » Fri Sep 26, 2008 1:20 am
Sorry guys. here comes the ques

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

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by manulath » Fri Sep 26, 2008 1:31 am
ANS: 4?

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by 2009wish » Fri Sep 26, 2008 6:21 am
we can find out what angle does arc RTU subtend at the centre.

it equals= 60

triangle ROU (O being the center ) ...... forms equilateral triangle

thus RU = 4