aimeefidis aimeefidis

10-02-2017
Mathematics

contestada

find the area and round to the nearest tenth
d=10 cm a=? cm^2

A=pie r^2 (use 3.14 for pie)

Respuesta :

nineex5 nineex5

10-02-2017

If you are finding the area of a circle, then use A=pi x radius^2

A= 3.14 x 5^2(since 5 is half of 10)
A= 3.14 x 25
A=78.50 cm^2

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thegrandgabe thegrandgabe

12-02-2017

10/2=5
5^2=25
25x3.14=78.5

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