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Mathematics 11 Online
OpenStudy (sette):

In the triangle above, the sides have been extended as shown. What is the value of a? i Believe 40

OpenStudy (sette):

OpenStudy (anonymous):

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OpenStudy (anonymous):

|dw:1343922935273:dw| here x is 40 due to being vertically opposite and y is 95 because it forms linear pair with 85 and a is 180-x-y = 180-95-40 = 45

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