The circumference of a circle is 22 cm. Calculate the area of its
quadrant (in cm2
)
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Answer:
area of quadrant = 9.625 cm^2
Step-by-step explanation:
2 * 22/7 * r = 22
r = 22 * 7/22 * 1 / 2 = 3.5 cm
radius = 3.5 cm
area = 22/7 * 3.5 * 3.5 = 11 * 3.5 = 38.5 cm^2
area of quadrant = 38.5 / 4 = 9.625 cm^2
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