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Mathematics 15 Online
OpenStudy (anonymous):

help please

OpenStudy (anonymous):

OpenStudy (onepieceftw):

All the angles added together are going to equal 360 so since we have 145 and we can see that D and B are congruent we can determine what the angle for A and C are 145 + 145 = 290 360 - 290 = 70 70/2 = 35 C = 35

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