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GaryK [48]
3 years ago
5

Calculate the length of DE.

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

set up the proportion, cross multiply, and solve for the missing length.

\frac{BA}{BE} = \frac{DC}{DE}

\frac{6}{3} = \frac{9}{DE}

6(DE) = 3(9)

DE = \frac{3(9)}{6} = \frac{9}{2} = 4.5

Answer: 4.5

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