it gives me 2 side lengths (hypotonuse=15, bottom leg=12) of a right triange and asks me to find the top angle.

I know you can find the last leg by a^2=b^2+c^2, but i need an angle not a side.

Guest Apr 19, 2017

1+0 Answers

avatar +72830 


We can use the sine inverse to find the top angle


arcsin (12/15)  =  53.13°



cool cool cool 

CPhill Apr 19, 2017

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