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प्रश्न
Two parallel lines touch the circle at
points A and B respectively. If the area of the circle is 25 n cm2, then AB is equal to ______
पर्याय
5 cm
8 cm
10 cm
25 cm
MCQ
रिकाम्या जागा भरा
उत्तर
Two parallel lines touch the circle at
points A and B respectively. If the area of the circle is 25 n cm2, then AB is equal to 10 cm.
Explanation:
Let radius of circle = R
∴ πR² = 25π
⇒ R = 5 cm
∴ Distance between two parallel tangents = diameter = 2 × 5 = 10 cm.
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