Help me out! Find the value of x angle theorems part 3 triangle

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15 votes

Answer:

x = 3

Explanation:

The triangles are similar.

x + 9 is twice 2x.

x + 9 = 2(2x)

x + 9 = 4x

9 = 3x

x = 3

Entendu answered Oct 7, 2022

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