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Sagot :
Answer:
Step-by-step explanation:
Don't put 45
Every triangle has 180 degrees. The three angles add to 180.
<2 + 45 + 86 = 180 Combine
<2 + 131 = 180 Subtract 131 from both sides
<2 = 180 - 131
<2 = 49
You could also note that
135 = <2 + 86
Subtract 86 from both sides
<2 = 135 - 86
<2 = 49
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