Question

Find the length of a chord of a circle of radius 10cm which subtends a right angle at the center of the circle.

Answer 1

Answer:

the length of the cord is 10 sqrt 2cm

Step-by-step explanation:

Given a chord of a circle of radius 10 cm subtends a right angle at its centre.

we have to find the length of chord.

ΔAOB is right angled triangle

AO=OB=10 cm  (Both radius)

∠AOB=90°

hope this helps