The radius of one circle is 3.2 cm, the radius of the other is 76% of the radius of the first. How much is the length
| December 9, 2020 | education
The radius of one circle is 3.2 cm, the radius of the other is 76% of the radius of the first. How much is the length of one circle greater than the other?
3.2 * 76% = 2.43 cm radius of the second circle
p = 2pir
p1 = 20.11 cm radius of one circle
p2 = 15.27 cm radius of the second circle
20.11-15.27 = 4.84 cm the length of one circle is greater than the length of the other
Answer: 4.84 cm
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