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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
60% (00:50) correct
40%
(01:35)
wrong
based on 15
sessions
History
Date
Time
Result
Not Attempted Yet
A circle circumscribes the triangle ABC and length of the three sides of the triangle are 8 cm, 15 cm and 17 cm respectively.
Find out the radius of the circle.
A.4.5
B.7.5
C.8.5
D.10.5
E.Cannot be determined
Find out the radius of the circle.
A.4.5
B.7.5
C.8.5
D.10.5
E.Cannot be determined
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nitesh50
8, 15, 17 is a Pythagorean triplet. Hence, the triangle in question is a right triangle with 17 as hypotenuse, which in this case is the diameter of the circle. Thus, the radius of the circle will be 17/2 = 8.5.
C should be the correct option.
08 Oct 2018, 08:11
Kudos
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OA: C
\(17^2=8^2+15^2\)
Triangle ABC is right angled triangle with Side with dimension \(17\) as hypotenuse and diameter of the circle.
Radius \(= \frac{17}{2} = 8.5\) cm
\(17^2=8^2+15^2\)
Triangle ABC is right angled triangle with Side with dimension \(17\) as hypotenuse and diameter of the circle.
Radius \(= \frac{17}{2} = 8.5\) cm
