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7 votes
7 votes
Triangle STU is dilated by a scale factor of 2/3to form triangle S'T'U'. What is the measure of side US?

User Adepeju
by
2.4k points

1 Answer

23 votes
23 votes

The dilation factor is 2/3. So ratio of sides of triangle is,


\frac{U^(\prime)S^(\prime)}{US^{}}=(2)/(3)

Determine the length of side US.


\begin{gathered} (20)/(US)=(2)/(3) \\ US=20\cdot(3)/(2) \\ =30 \end{gathered}

So measure of side US is 30 units.

User BYUNGJU JIN
by
2.0k points
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