Iloafnutella Iloafnutella

06-03-2017
Mathematics

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What is the value of x?

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x =
Please answer with an explanation.

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IsabellaRosette IsabellaRosette

06-03-2017

Sum of angles of a triangle = 180°

91 + 10x - 4 + 8x +3 = 180
18x + 90 = 180
18x = 90
x = 5°

Answer Link

mylaniambre1 mylaniambre1

07-03-2017

Sum of angles of a triangle = 180°

91 + 10x - 4 + 8x +3 = 180
18x + 90 = 180
18x = 90
x = 5°

Answer Link

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