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In Fig. 10.13, {X}{Y}and {X}{p}{r}{i}{m}{e}{Y}{p}{r}{i}{m}{e}a

Question

In Fig. 10.13, $X Y$ and $X p r i m e Y p r i m e$ are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting $X Y$ at A and $X p r i m e Y p r i m e$ at B. Prove that $∠ A O B = 90 o$

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In Fig. 10.13,

X Y

and

X p r i m e Y p r i m e

are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting

X Y

at A and

X p r i m e Y p r i m e

at B. Prove that

∠ A O B = 90 o

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Question Text

In Fig. 10.13,

X Y

and

X p r i m e Y p r i m e

are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting

X Y

at A and

X p r i m e Y p r i m e

at B. Prove that

∠ A O B = 90 o

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