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Phantasy [73]
3 years ago
7

In AABC, point D is on AB, and point E is on BC

Mathematics
1 answer:
Serhud [2]3 years ago
8 0

Answer:

AC=\frac{27}{2}

Step-by-step explanation:

We are given a Triangle ABC , and DE││BC , where D and E lies on AB and BC Respectively. As DE││BC , ABC is similar to BDE. Hence the ratios of the respective sides will be equal . Hence

\frac{BD}{AB}=\frac{DE}{AC} ----------(A)

Given BD=2

BA=BD+AD=2+7=9

DE=3

Putting these values in (A)

\frac{2}{9}=\frac{3}{AC}

AC=  \frac{3 \times 9}{2}

AC=\frac{27}{2}

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