Question

If the length of chord is equal to radius of circle then angle made by arc at center?

Answer 1

Step-by-step explanation:

Let O be the centre and r be the radius of the circle.

Let AB be the chord of the circle. 

According to the question AB=OA=OB=r

Now triangle OAB  is  an  equilateral  triangle

∴∠AOB=600

hope it helps you.......