Question

In a circle with centre P, chord AB Congruent chord CD and my angle APB = 40 degree. Find the measure of angle CPD

Answer 1

Answer:

according to a theorem related to circle.

it states that equal chords of a circle substend equal angle with the center.

thus ,if chord AB= chord CD

then , angle APB= angle CPD.

thus , angle CPD= 40°