Question

In figure, DE || BC AE=3cm, CE=4cm,then find the length of AB.
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Answer 1

Answer:

7

Step-by-step explanation:

if DE||BC Then AE/EC =AD/DB

So from BPT AE=AD And EC=DB

So that 3cm=AD 4cm=DB

Answer 2

Step-by-step explanation:

in triangle abc apply BPT AD/DB=AE/EC

soEC=4cm then DB=8cm