Answer:
x=13
m∠A = 46° m∠B = m∠C = 67°
Step-by-step explanation:
ΔABC : isosceles
vertex ∠A = 4x -6
∠B = ∠C = 5x + 2
∠A + ∠B + ∠C = 180° = (4x -6) + 2 * (5x + 2) = 14x - 2
14x = 182 x = 13
∠A = 46° ∠B = ∠C = 67°
x = 7.5
Proportions:
5 x
_ = _
6 9
black line <3
the slope is -2 :)
