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ΔABC is inscribed in a circle with centre O. If the sides of the triangle are A B = 21 cm AB = 21 \text{ cm} A B = 21 cm , B C = 20 cm BC = 20 \text{ ...

SSC SSC CGL Tier 2 Medium Triangle and its various kinds of centres MCQ

Question

ΔABC is inscribed in a circle with centre O. If the sides of the triangle are AB=21 cmAB = 21 \text{ cm}, BC=20 cmBC = 20 \text{ cm}, and AC=29 cmAC = 29 \text{ cm}, what is the length of the circumradius of the triangle?

Options

A.

13.5 cm13.5 \text{ cm}

B.

21.5 cm21.5 \text{ cm}

C.

32.5 cm32.5 \text{ cm}

D.

14.5 cm14.5 \text{ cm}

circumradiustrianglecirclegeometryssc cgl

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