Question

answer please with steps ​

Answer 1

Answer:

Answer

Step-by-step explanation:

∠A = x - 20° , ∠B = x + 40°

∠A +∠B = 180°

x - 20°+x + 40°= 180°

2x + 20° = 180°

2x = 180° - 20°

2x = 160°

x = 160°/2

x = 80°

∴∠A = 80° - 20°

        = 60°,

∠B = 80° + 40 °

     = 120°

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