the area of a circle is 161 cm2 find its circumference
Answers
Answered by
0
Answer:
44.98cm
Step-by-step explanation:
A=πr2
C=2πr
Solving forC
C=2πA=2·π·161≈44.97984cm
Please mark me the brainliest
Answered by
2
Step-by-step explanation:
161=πr²
161 = 22/7×r²
161×7/22
506 = r²
r = 22.46cm
C = 2πr
= 2×22/7×2246/100
1417.40/100
141.7=
hope it will be right
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