How do you do 30 60 90 angles in geometry?
30-60-90 triangle is a triangle whose three angles are in the ratio 1:2:3. and respectively measure 30 ,60 and 90 degrees.This triangle is 1/2 an equilateral triangle or a hemieq triangle. The sides are in the ratio 1 : \sqrt{3}: 2. Proof is trig.
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