CBSE Class 10 Maths (Basic) 2022 · Paper 430/2/1 · Question 4(b)

Circles 2 marks Medium

In Fig. 2,

B C

is tangent to the circle at point

B

of circle centred at

O

B D

is a chord of the circle so that

∠ B A D = 5 5^{\circ}

. Find

m ∠ D B C

Circle centred at O; tangent BC at B, chord BD, angle BAD = 55 degrees.

Answer

∠ D B C = 5 5^{\circ}

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