How do you find the numeric value of angle A and B for triangle ABC with C being the right angle given A=x and #B=x^2#?

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Answer 1 · 2016-12-31T15:53:41

The sum of the three angles in any triangle is #180^@#.

#A + B + C = 180#

#x + x^2 + 90 = 180#

#x^2 + x - 90 = 0#

#(x + 10)(x -9) = 0#

#x = -10 and 9#

Therefore, #A= 9^@# and #B = 81^@#.

Hopefully this helps!