find the measure of three angles when two are 42 degree and 80 degree
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2
Answer:
Step-by-step explanation:
58 is the third angle..
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0
Answer:
58 degrees
Step-by-step explanation:
in any triangle: ∠a + ∠b + ∠c = 180
42 + 80 + ∠c = 180
∠c = 180 - 122
∠c = 58
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