Question

D and E are points on AB and AC respectively such that DE is parallel to BC.if AD=1/3 BD and AE=4.5 cm. find AC

Answer 1

Answer:

Step-by-step explanation:

Hey there

In triangle ABC, we have DE || BC

Since, DE || BC, then

AD/BD =AE/EC [Basic Proportionality Theorem] ........ (1)

Now, AD =1/3 BD (given)

AD/BD = 1/3

1/3 = 4.5/EC [from (1)]

EC = 13.5cm [by cross multiplication]

Now,AC = AE + EC = 4.5 + 13.5 = 18 cm

I hope it helps u

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Answer 2

Answer:

Plz mark as brilliant

Step-by-step explanation:

18 cm