Explain to me this thing because I don't know and I have a test on Friday help me please please
2 answers:
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Answer:
<em>x = 7.5 cm </em>
Step-by-step explanation:
ΔBCA ~ ΔECD ⇒ the corresponding sides are proportional.
=
AC = 4 + 6 = 10 cm
=
⇔ 10x = 6(x + 5) ⇒ <em>x = 7.5 cm</em>