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Sav [38]
3 years ago
5

What is the length of BC? A. 6 2/3 cm B. 5cm C. 4cm D. 6cm

Mathematics
1 answer:
Sergio039 [100]3 years ago
6 0

Thought I already answered this.  I must have forgotten to click "add your answer."

We have similar triangle trianges ABC ~ ADE so

BC:AB = DE:AD

BC:2  = 10 : (2+3) = 10:5 = 2:1

So BC=4 because 4:2 = 2:1

Choice C.

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