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4. The circumference of circular pond is 396 m. What is its area?5. The diameter of a wheel is 98 cm. In how many revolutions will it cover a distance of 1540 m? |
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Answer» 4) Circumference = 396 = 2*pie*r 396 = 2×22×r/7 r = 63 area = pie*r*r = 22*63*63/7 = 12474 m*m 5) Diameter = 98cm Circumference = pie*d = 22*98/7 = 308 cm = 3.08m Number of revolution to cover 1540 m = 1540/3.08 = 500 If you find this answer helpful then like it. OK |
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