Question

1. A chord of a circle of radius 10 subtends a right angle at its centre. The

length of the chord (in cm) is​

Answer 1

Hey mate hope it helps you...

Since it is a right angle , we can use Pythagoras theorem.

Length of chord² = 10² + 10²

Length² = 200

L² = 200

L = √200

L = 10√2 cm