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Two tangents PA and PB are drawn to a circle with centre O from an external point P
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
Two tangents PA and PB are drawn to a circle with centre O from an external point P. Prove that
∠
A
P
B
=
2
(
∠
O
A
B
)
\angle APB = 2(\angle OAB)
∠
A
P
B
=
2
(
∠
O
A
B
)
Related theory
Circles
Tangent length properties
Number of tangents from a point
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