3 years ago

What is y? What is x? What do you use to find them?

1 answer:

7 0

See the attached image to see the alternate interior angles that are congruent (due to the parallel horizontal lines)

tan(angle) = opposite/adjacent
tan(31) = y/400
400*tan(31) = y
y = 400*tan(31)
y = 240.344247611024 <<-- use a calculator; make sure you are in degree mode
y = 240.3

Answer: 240.3

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