angus2
angus2
17-02-2017
Mathematics
contestada
How to find the unknown length of right triangle
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Аноним
Аноним
17-02-2017
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.
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