Triangle 80994

In the triangle, ABC, the angles alpha and beta axes subtend the angle phi = R + gamma/2. R is a right angle of 90°. Verify.

Result

x=




Step-by-step explanation:

α/2+β/2+φ=180  α+β+γ=180   α+β+2φ=360  (180γ)+2φ=360  180γ+2φ=360 2φ=γ+180  φ=γ/2+90  x=1



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