spearjj
14.12.2020 •
Mathematics
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.
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Ответ:
4
in.
Step-by-step explanation:
C = 2
r
The circumference of the circle after dilation is
C =
(2)(4)
= 4 
inches.
Ответ:
It should be 3x+3
Step-by-step explanation: