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Mathematics 8 Online
OpenStudy (anonymous):

Using the diagram below, find x. Answers: 34 32 30 28

OpenStudy (anonymous):

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OpenStudy (blacksteel):

Okay, to solve this we need to remember that the sum of the angles of a triangle is 180 degrees. So if we add up the angles here, we get: (2x+5) + (3x+7) + (x) = 180 6x + 12 = 180 6x = 168 x = 28

OpenStudy (anonymous):

ty!

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