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Can someone please help me please
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1 vote
Can someone please help me please

Can someone please help me please-example-1
User Lrampazzo
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1 Answer

9 votes

a straight horizontal line is 180 degrees

box in the middle means that angle is 90 degrees

(s+1) + 90 + (2s-1) = 180

3s + 90 = 180

s = 30

User Russell Maxfield
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4.1k points
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