2 years ago

If △ABC ~ △DEF, find the length EF.

Mathematics

1 answer:

hodyreva [135]2 years ago

8 0

Answer:

EF=BC (by CPCT) if both Triangle are ~

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We know the slope, but we have to solve for the y intercept. To do this (I mean solve for 'b'), we need to know the slope, x value, and y value. We know the slope (-2/3), x= -3, and y=8. Let's plug this into y=mx+b and solve for b.

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