Question

. Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal.​

Answer 1

Answer:

you can make a circle then you will able to know

Answer 2

Answer:

open picture

Step-by-step explanation:

If the radius of two circles is equal then they are called congruent.

So in given figure

In triangle ABO & PQO

OA=OP(radii)

Angle AOB=Angle POQ(given)

OB=OQ(radii)

By SAS

Triangle ABO Is congruent to PQO

By CPCT

AB=PQ

Hence, proved