NickelsAndCats NickelsAndCats

24-01-2017
Mathematics

contestada

When the radius of a circle is multiplied by a factor of 2, by what factor will the area of the circle change?

The area of a circle with radius 2 is _____ times as big as the area of a circle with radius 1.

Respuesta :

ajflieger03 ajflieger03

03-02-2017

4 times because 1*1=1 and 2*2=4 1 is 4x smaller than 4

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