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I need help with this math question

I need help with this math question-example-1
User K S
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1 Answer

16 votes
16 votes

Answer:

D = 12

Explanation:

Side ST is corresponding to side QT. 9" / 3" = 3

3 is the proportion between the two triangles.

Side PT is the corresponding side to side RT.

PT = 4" x 3 = 12"

User Rebol Tutorial
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