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3 votes
Please help me on this

Please help me on this-example-1

2 Answers

1 vote
there are 180 degrees in all
63 + 99 = 162
180 - 162 = 18 so the missing length is 18
User Mewtwo
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5.1k points
5 votes

56

a = 18

18 and 43 is 124

180 minus 124 is 56

User Gray
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