Question

A chord AB of length 20cm is at a distance of 4cm from the center O of a circle. Find the radius of the circle.

• A. $2\sqrt{21}$
• B. $2\sqrt{29}$
• C. $3\sqrt{31}$
• D. $3\sqrt{12}$

Answer 1

Answer: (B)

$2\sqrt{29}$

Answer 2

The correct option is (B) :$2\sqrt{29}$.