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15-03-2017
Mathematics

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a circles circumference is 176 what is the area ,diameter and radius

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Аноним Аноним

15-03-2017

circumference=176, circumference = 2x pi x radius

176= 2 x 3.14 x r
176=6.28 r
176/6.28= radius
28.03=radius
28.3 x 2=diameter=56.05

area= pi x radius^2
a=3.14 x 28.3 ^2
a=3.14 x 785.43
area=2467.49

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