in a triangle ABC de ll bc with d on ab and e on ac . if ad/db =3/4 find bc/de
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Answer:
Step-by-step explanation:
ad/db=3/4
db/ad=4/3
db+ad/ad=4+3/3
ab/ad=7/3
Δabc and Δade
∠a=∠a [common angle]
∠abc=∠ade [corresponding angles]
Δabc is similar to Δade [A-A Test]
ab/ad = bc/de = ac/ae [CPST]
bc/de = 7/3
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