find the radius and the circumference of a circle whose area is 144pi cm square
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Step-by-step explanation:
radius 12 cm
circumference 528/7 cm
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Answer:
area =144πr^2
B.T.P
144π=πr^2
or,r^2=144
or,r=√144=12cm
thus,radius=12cm
circumference=2πr=2×(22/7)×12=24π=75.4cm
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