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OpenStudy (anonymous):
Find the value of angleACB
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OpenStudy (anonymous):
OpenStudy (anonymous):
you know there are 180 degrees in a triangle so you know (4x+7)+(11x-9)+32=180 (4x+7)+(11x-9)= 148 15x-2=148 15x=150 x=10 Then plug in x for angle ACB 4x+7 4(10)+7 40+7 47
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