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Question

From an external point P, two tangents are drawn that touches the circle at points Q and R. The triangle PQR is necessarily a/an ___triangle.

A
equilateral
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B
isosceles
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C
scalene
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D
right angled
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Solution

The correct option is B isosceles
When two tangents are drawn from an external point to a circle, the lengths of the two tangents are equal.
Hence, PQ = PR. So, PQR is necessarily an isosceles triangle.

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