180 ÷ 45 is 4
so
4 time 20 is 80
Answer: 80
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Answer:
92
Step-by-step explanation:
The two angles add to make a straight line, so their sum is 180
88+x = 180
Subtract 88 from each side
88+x-88 = 180-88
x =92
Answer:
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Step-by-step explanation: