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In the given figure, 0 is the centre of the circle and AD is a

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In the given figure, 0 is the centre of the circle and AD is a tangent to the circle at A. If $∠ C A D = 55$ ∘ $and$ ∠ADC=25 $\circ$ , then find $∠ A B O$ .

10

∘

∣ ∣

\circ∣ ∣

\circ

40

∘

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Amelia Discussed

In the given figure, 0 is the centre of the circle and AD is a tangent to the circle at A. If

∠ C A D = 55

∘

and

∠ADC=25

\circ

, then find

∠ A B O

15 mins ago

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Question Text	In the given figure, 0 is the centre of the circle and AD is a tangent to the circle at A. If $∠ C A D = 55$ ∘ $and$ ∠ADC=25 $\circ$ , then find $∠ A B O$ .
Answer Type	Text solution:1
Upvotes	150