Question

If if angle between the two tangents drawn from an external point p at a circle of radius a and b is 60 degree then find the length of op

Answer 1

Answer:

120 is the ans

Step-by-step explanation:

360-90+90+60=120

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Answer 2

OP=?

ANGLE BETWEEN TANGENTS=60°

tangents are equally aligned to each other.

<OPA=<OPB=30°

IN ∆OPA,

<POA=180°-90°-30°

=60°

Cos 60°=OA/OP

1/2=a/OP

OP=2a

hence,proved.

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