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A circle with a radius of 4 in. is dilated by a scale factor of 1/2. What will be the circumference of the circle after dilation?


A. 2(pi) in.
B. 4(pi) in.
C. 16(pi) in.
D. 24(pi) in.

A circle with a radius of 4 in is dilated by a scale factor of 12 What will be the circumference of the circle after dilation A 2pi in B 4pi in C 16pi in D 24pi class=

Respuesta :

should be answer a because to dilate you multiply and 4 times 1/2= 2
xenia168

Answer:

4 [tex]\pi[/tex] in.

Step-by-step explanation:

C = 2[tex]\pi[/tex]r

The circumference of the circle after dilation is

C = [tex]\frac{1}{2}[/tex] (2)(4)[tex]\pi[/tex] = 4 [tex]\pi[/tex] inches.

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