find the circumference of the circle whose area is 1386 square cm
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Answered by
6
Step-by-step explanation:
Area of circle = 1386 cm2
πr2 = 1386
(22/7)r2 = 1386
r2 = 1386 × (7/22)
r2 = 441
r = √441
r = 21 cm
Circumference = 2πr
= 2 × 22/7 × 21
= 132 m
Answered by
1
Answer:
C ≈ 131.97cm
Step-by-step explanation:
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