The scale factor of dilation is 1/2 or

because the number of rectangle one is multiplied by 1/2 to make rectangle 2
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Diameter = 8 cm
radius = diameter/2 = 4 cm
A = pi * r^2
A = pi * (4 cm)^2
A = 16pi cm^2
Hello There!
It would be 8(2-x)
Hope This Helps You!
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- Hannah ❤
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Answer:
a
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