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प्रश्न
The length of the tangent from an external point P on a circle with centre O is ______
पर्याय
always greater than OP
equal to OP
always less than OP
information insufficient
MCQ
रिकाम्या जागा भरा
उत्तर
The length of the tangent from an external point P on a circle with centre O is always less than OP.
Explanation:
Observe figure
The angle between tangent and radius is 90º. This implies OP is the hypotenuse for the right triangle OQP right-angled at Q and hypotenuse is the longest side in a right triangle, therefore the length of the tangent from an external point P on a circle with centre O is always less than OP.
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