The circumference of a circle is 22 cm. Calculate the area of its quadrant (in cm2)
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Answer:
77/8 2cm
Step-by-step explanation:
Circumference of a circle = 22 cm That is, 2πr = 22 2 x 22/7 x r = 22 r = 7/2 cm
Area of quadrant of circle = 1/4 πr2 = 1/4 x 22/7 x 7/2 x 7/2 = 77/8
Area of quadrant of circle is 77/8 2cm
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