Solve for x ? Not drawn to scale

Radium asked Jan 12, 2023

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35 votes

Solve for x ?

Not drawn to scale

Radium asked Jan 12, 2023

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23 votes

Answer: 3

Explanation:

The triangles are similar using the angle-angle similarity theorem.

Using the fact that similar triangles have proportional side lengths yields:

$(5x-7)/(4)=(18)/(9)\\\\(5x-7)/(4)=2\\\\5x-7=8\\\\5x=15\\\\x=3$

Icekomo answered Jan 17, 2023

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