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Help please i don’t understand

Help please i don’t understand-example-1
User Antwan
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1 Answer

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Triangles are similar ,

Thus :


(9)/(3) = (6)/(x) \\


3 = (6)/(x) \\


(6)/(x) = 3 \\

Inverse both sides


(x)/(6) = (1)/(3) \\

Multiply sides by 6


6 * (x)/(6) = 6 * (1)/(3) \\


x = 2 * 3 * (1)/(3) \\


x = 2

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User Sixtyfive
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