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Use each picture or description of a triangle, write and solve an equation in order to find the number of degrees in each angle

Use each picture or description of a triangle write and solve an equation in order to find the number of degrees in each angle class=

Respuesta :

mathstudent55

4x + 7x - 2 + 5x - 10 = 180

16x - 12 = 180

16x = 192

x = 12

m<A= 4x = 4(12) = 48

m<B = 7x - 2 = 7(12) - 2 = 84 - 2 = 82

m<C = 5x - 10 = 5(12) - 10 = 60 - 10 = 50

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