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OpenStudy (shealah):
Triangles- find the values of x
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OpenStudy (shealah):
OpenStudy (anonymous):
so all angles are equal to 180, add them all and make them equal 180 and solve for x
hartnn (hartnn):
exterior angle is sum of 2 interior angles. so angle BCD = angle (ABC+BAC) just substitute them, u get equation in x
OpenStudy (anonymous):
6x+2+3x+15+2x-1 =180 now solve for x
OpenStudy (anonymous):
oh sorry I am mistaken @hartnm is correct
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hartnn (hartnn):
so u get 6x+2 = 3x+15 +2x-1 solve this, u willl get a value of x
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