please answer me please
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Answer:
x = 80⁰
Step-by-step explanation:
<ACB = 180⁰ - 120⁰ = 60⁰
in ∆ABC
A + B + C = 180⁰
40⁰ + x + 60⁰ = 180⁰
x = 180⁰ - 100⁰
x = 80⁰
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