1 answer:
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°
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