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JulijaS [17]
3 years ago
11

Simplify the following expression

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0
I believe the answer is : 33.94 , round if you need to
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zysi [14]

The length of BC = 72

Solution:

Given ΔABC and ΔDEF are similar triangles.

ΔABC \sim ΔDEF

AB = 54, BC = n, EF = 12, DE = 9

Similar triangle theorem:

If two triangles are similar then the corresponding sides are proportional to each other.

$\Rightarrow\frac{BC}{EF}=\frac{AB}{DE}

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