In the figure XY and X’Y’ are two parallel tangents to a circle with centre O and and another tangent AB with point of contact C interesting XY at A and X’Y’ at B. Prove that ∠AOB=90 degree.

Sahay Sir > Question Answers > In the figure XY and X'Y' are two parallel tangents to a circle with centre O and and another tangent AB with point of contact C interesting XY at A and X'Y' at B. Prove that ∠AOB=90 degree.
In the figure XY and X’Y’ are two parallel tangents to a circle with centre O and and another tangent AB with point of contact C interesting XY at A and X’Y’ at B. Prove that ∠AOB=90 degree.
06
Oct
In the figure XY and X’Y’ are two parallel tangents to a circle with centre O and and another tangent AB with point of contact C interesting XY at A and X’Y’ at B. Prove that ∠AOB=90 degree. In the figure XY and X'Y' are two parallel tangents to a circle with centre O and [...]
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Tags: In the figure XY and X'Y' are two parallel tangents to a circle with centre O and and another tangent AB with point of contact C interesting XY at A and X'Y' at B. Prove that ∠AOB=90 degree. ,