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Alona [7]
3 years ago
7

Please help me out! its urgent!

Mathematics
1 answer:
sineoko [7]3 years ago
5 0

Answer:

<em>x = 7.5 cm </em>

Step-by-step explanation:

ΔBCA ~ ΔECD ⇒ the corresponding sides are proportional.

\frac{AC}{DC} = \frac{AB}{DE}

AC = 4 + 6 = 10 cm

\frac{10}{6} = \frac{x+5}{x} ⇔ 10x = 6(x + 5) ⇒ <em>x = 7.5 cm</em>

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