Question

 In the given below figure,

∠ BAD= 65°

 ∠ ABD = 70°

and ∠ BDC = 45°. find:

(i) ∠ BCD, 

(ii) ∠ ADB.

Hence show that AC is a diameter,

Answer 1

Given:

∠ BAD = 65°

 ∠ ABD = 70°

and ∠ BDC =45 °