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प्रश्न
What is the area of the circle whose circumference is 264 cm?
पर्याय
5544 sq. cm
5454 sq. cm
5540 sq. cm
5548 sq. cm
MCQ
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उत्तर
5544 sq. cm
Explanation:
2πr = 264
⇒ `2 xx 22/7 xx "r"` = 264
⇒ r = `(264 xx 7)/(22 xx 2)` = 42 cm
∴ Area of circle = πr2
= `22/7 xx 42 xx 42`
= 5544 sq. cm
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Mensuration - Area and Volume (Entrance Exam)
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