How to find the unknown length of right triangle

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asked Dec 25, 2018 129k views

1 Answer

Jemal · Answer 1 · 2018-12-30T20:24:52+0000

If you know that, you can use sin45°.
sin45°=√2/2
Because AC=18
So, the AB=9√2
And it is a right triangle, the other angle are both 45°.
So, AB=BC=9√2
Those are answer, If you don't understand you can ask me.

How to find the unknown length of right triangle

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