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ddd [48]
3 years ago
8

PLEASE HELP

Mathematics
2 answers:
enot [183]3 years ago
8 0
The triangles are shown to be similar, therefore

\displaystyle \frac{54}{12} = \frac{x}{2} \\ \\
x = 2 \cdot \frac{54}{12} \\
x = 9

The answer is 9 units
Lynna [10]3 years ago
5 0
I hope this helps!!

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Annie estimates that a bookcase is 78.25 inches .the actual height is 75.50 inches
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