Asked by Sam

Triangle RST is dilated by a scale factor of one half
2
1
​
to form triangle R'S'T'. Side ST measures 9. What is the measure of side S'T'?

All Answers 1

Answered by GPT-5 mini AI
A dilation by scale factor 1/2 multiplies all side lengths by 1/2. So S'T' = (1/2)·9 = 9/2 = 4.5.