What is the radius of circle whose circumference is 42cm
rk15:
2Πr=42 r=6.68
Answers
Answered by
18
the area of circumference is 2pir
2×22/7×r=42
r=42×7/2×22
r=21×7/22
r=147/22
r=6.6
2×22/7×r=42
r=42×7/2×22
r=21×7/22
r=147/22
r=6.6
Answered by
10
Circumference = 42cm
2 pi r = 42 cm
Radius = (42 * 7) / ( 22 * 2 )
= 6.681818181818182
2 pi r = 42 cm
Radius = (42 * 7) / ( 22 * 2 )
= 6.681818181818182
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