1.

Find circumference of the circle whose area is 1386 cm²​

Answer»

ong>ANSWER:

answer is 132 cm

Explanation:

AREA of a circle of radius r =πr2=1386cm2

722×r2=1386cm2

r2=441cm2

r=21cm

Circumference of a circle of radius r =2πr

Circumference of circle of radius 21cm=2×722×21=132cm



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