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GalinKa [24]
3 years ago
12

In this picture B and F are midpoints.

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0

now, we know that B and F are midpoints, namely BF is a midsegment of the triangle, and therefore BF || AE, so, the base AE is twice BF.


\bf 2BF=AE\implies 2(23)=5x-4\implies 46=5x-4\implies 50=5x \\\\\\ \cfrac{50}{5}=x\implies \boxed{10=x}

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