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If the angle between two tangents …

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If the angle between two tangents drwan from an external point P to a circle of redius a and center o is 60 degree then find the length of op

Posted by Ashish Mishra 7 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Jangra 7 years, 9 months ago

Let the point of contact of two tangents be Q and R. Now in triangle OQP, angle QPO=30. Now take OQ/OP. tan30=a/OP. Therefore OP=√3a.

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