find circumference of a circle whose are is 154 cm2
Answers
Answered by
1
Answer:
area=^r2
154 =22/7×r2
154×7/22=r2
49=r2
r=7 cm
C=2^r
=44 cm
Answered by
0
Answer:
area=154
πrr=154
rr=154/3.14
rr=49
r=✓49
r=7
circumference=2πr
=2*3.14*7
=43.96
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