the circumference of two circle are 66 and 132 CM respectively find the difference between their radius
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Answered by
9
2πr = 66
r = 66/2π
r=21/2
2πR = 132
R = 132/2π
= 21
R-r = 21-21/2
= 21/2
=10.5
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Answered by
10
Difference between their radius is 10.5 cm
Step-by-step explanation:
Formula of circumference of circle =
Circumference of circle 1 = 66 cm
So,
r=10.5 cm
Circumference of circle 2 = 132 cm
r= 21 cm
Difference between their radius = 21-10.5 = 10.5 cm
#Learn more:
The sum of circumference of two circle is 132 CM if the radius of one circle is 14 cm find the radius of second circle.
https://brainly.in/question/7630121
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