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 Bisosceles 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.