find the area of a quadrant of a circle whose circumference is 22cm.
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Answer:
a≈38.52
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Answer :
22 = 2nr 22x 7 / 44. = . r 7/2 is radius 90 / 360x 22 / 7x7 / 2x7 / 2 a = 90 / 360x11x7 / 2 = 1 / 4x 77/2 77/8 cm2
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