In the figure given below, O is, the centre of the circle and A B is a diameter. If A C=B D and \angle A O C=72^{\circ}. Find: (i) \angle A B C (ii) \angle B A D (iii) \angle A B D

ICSE Class X Math 2020 Solved Paper - Question 7

Question 3

Question : 7 of 29

Marks: +1, -0

In the figure given below,

O

is, the centre of the circle and

A B

a

diameter.

A C=B D

and

∠ A O C=72^{∘}

. Find:
(i)

∠ A B C

(ii)

∠ B A D

(iii)

∠ A B D

Solution:

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