489,536 views
28 votes
28 votes
Watch help videoA figure containing ZSTU is dilated by a scale factor of į to form a newfigure which contains ZS'T'U'. ZSTU measures 140°. What is themeasure of ZS'T'U'?OSubmit AnswerAnswer: m S'T'U' =attempt 1 out of 2Terms of Senica

Watch help videoA figure containing ZSTU is dilated by a scale factor of į to form-example-1
User Debanshu Kundu
by
3.3k points

1 Answer

17 votes
17 votes

Recall that dilations preserve angle measures, therefore:


m\angle S^(\prime)T^(\prime)U^(\prime)=m\angle STU.

We are given that:


m\angle STU=140^(\circ).

Therefore:


m\angle S^(\prime)T^(\prime)U^(\prime)=140^(\circ).

Answer:


m\angle S^(\prime)T^(\prime)U^(\prime)^{}=140^(\circ).

User Tomblasta
by
2.3k points