Question

VW
is dilated by a scale factor of one half
2
1
​
to form start overline, V, prime, W, prime, end overline
V
′
W
′

. start overline, V, W, end overline
VW
measures 5050. What is the measure of start overline, V, prime, W, prime, end overline
V
′
W
′

?

Answer 1

A dilation by scale factor 1/2 multiplies lengths by 1/2. So V′W′ = (1/2)·VW = (1/2)·50 = 25.