Question

Besar sudut ACB=..........°?

Answer 1

Verified answer

∠ACB = 180° - (5x - 6)
∠CAB = 2x + 7
∠ABC = 41°

∠ACB + ∠CAB + ∠ABC = 180°
180 - 5x + 6 + 2x + 7 + 41 = 180
-5x + 2x + 6 + 7 + 41 = 0
-3x + 54 = 0
-3x = -54
x = 18

∠ACB = 180 - (5x - 6)
= 180 - (5(18) - 6)
= 180 - (90 - 6)
= 180 - 84
= 96°