Length of a chord is 40 cm. If the angle subtended by this c

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Length of a chord is 40 cm. If the angle subtended by this chord at the circumference of the circle is 90 degree, then what will be the radius of this circle ?

[SSC CHSL 15th March 2023 Shift-2 With Answers]

A

15 cm

B

25 cm

C

80 cm

D

20 cm

EXPLANATION

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