find the radius diameter and the are of a circle with circumference 43.96 m using 'pie'=22/7 ?
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circumference = 2πr
or, 43.96= 2*(22/7)*r
or, 43.96 = (44/7)*r
or, r = (43.96*7)/44
= 6.99
Radius = 6.99 cm
Diameter = 2r
= 2*6.99 = 13.98 cm
Area = πr²
= (22/7)*(6.99)²
= 153.56 cm²
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or, 43.96= 2*(22/7)*r
or, 43.96 = (44/7)*r
or, r = (43.96*7)/44
= 6.99
Radius = 6.99 cm
Diameter = 2r
= 2*6.99 = 13.98 cm
Area = πr²
= (22/7)*(6.99)²
= 153.56 cm²