Find the value of x and y.
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Step-by-step explanation:
y + 120⁰ = 180⁰ (by linear pair)
y = 180⁰- 120⁰
y = 60⁰
x + y = 100⁰. (external angle theorem)
x + 60⁰ = 100⁰
x = 100⁰ - 60⁰
x = 40⁰
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