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From an external point
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
From an external point
P
P
P
, two tangents
P
A
PA
P
A
and
P
B
PB
P
B
are drawn to a circle with centre
O
O
O
. Prove that the four points
O
O
O
,
A
A
A
,
P
P
P
and
B
B
B
lie on the same circle.
Related theory
Circles
Cyclic Quadrilaterals
Tangent length properties
Tangent theorem (radius perpendicular to tangent)
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