Question

HELPP..........anyone​

Answer 1

• (12, 12, 156) and (9, 9, 162)

Explanation:

Since AB = AC and the triangle is isosceles:

• ∠ABC ≅ ∠ACB
• 3x² - 2x + 4 = 9x - 6
• 3x² - 11x + 10 = 0
• x = (11 ± √(121 - 4*3*10)/6
• x = (11 ± 1) / 6
• x = 2, x = 10/6

The angles:

• m∠B = m∠C = 9*2 - 6 = 12°
• m∠A = 180 - 2(12) = 156°

• m∠B = m∠C = 9(10/6) - 6 = 9°
• m∠A = 180 - 2(9) = 162°