Question

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

Answer 1

Answer:

hi here is your answer.

According to question the circles are congruent so their radius will also equal.

but I am giving you answer considering a circle.

you can understand it because congruent circles have equal radius.

conider- (radius of congruent circles are equal) where given that(radii of a circle)

please see in the figure given above.

Answer 2

Answer: The theorem says that if two chords subtend equal angles at centre then the chords are equal. Hence, if two chords in two congruent circles subtend equal angles at their centres then the chords are equal.