If chords AB and CD of congruent circles subtend equal angles at their centres, then:
A. AB = CD
B. AB > CD
C. AB < AD
D. None of the above
Answer:A
If chords AB and CD of congruent circles subtend equal angles at their centres, then:
A. AB = CD B. AB > CD C. AB < AD D. None of the above
Explanation: In triangles AOB and COD,