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Can someone plz explain how to get the answer

Can someone plz explain how to get the answer-example-1
User Solx
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1 Answer

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a triangle has interior angles that add up to 180 degrees.
180 - (61 + 90) = 180 - 151 = 29

so the angle right beside x is 29.......this angle and x will add up to 180 degrees because they form a straight line

180 - 29 = < x
151 = < x


User Thebiglife
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