calculate the circumference and area of a circle of diameter 3.5cm
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Answer:
Circumference= pi* diameter
= (22/5)*(3.5 cm) = 22*0.5cm = 11cm
Area = ( pi*diameter^2 ) /4
Area = ( (22/7) (3.5)^2 )/4
Area = 9.621 cm^2.
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