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# right triangle

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In right triangle ABC, we have AB = 10, BC = 20, and angle ABC = 90 degrees. If M is on AC such that BM is an altitude of triangle ABC, then what is cos angle ABM?

Dec 4, 2020

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Double pooooosttttt:

https://web2.0calc.com/questions/in-right-triangle-abc-we-have-ab-10-bc-24-and-angle

Too Lazy to clik? Its $$\frac 1{\sqrt2}$$

Dec 4, 2020