piriyaasagi piriyaasagi

02-05-2021
Chemistry

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The area of a circle is 38.5 cm². Calculate.
(a) the radius

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Аноним Аноним

02-05-2021

The Answer is 3.501591994

Answer Link

nashwini160504 nashwini160504

02-05-2021

Explanation:

area of circle = πr^2

radius=

39.5 = 22/7*r^2

r^2 = 7*39.5/22

= 12.56

r=3.5

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