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What is the value of x in units

What is the value of x in units-example-1
User Depzor
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The value of x in units would be 8 I could be completely wrong though
User Carmen Sandoval
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\triangle RQT\ \text{and}\ \triangle SRT\ \text{are similar. Therefore the sides are in proportion.}\\\\(RT)/(TQ)=(TS)/(RT)\\\\\text{We have}\ RT=x,\ TQ=16,\ TS=9.\ \text{Substitute:}\\\\(x)/(16)=(9)/(x)\qquad\text{cross multiply}\\\\x^2=(9)(16)\\\\x^2=144\to x=√(144)\\\\\boxed{x=12}

User Suvro
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