Can somebody help me with this?

Mathematics

1 answer:

Bess [88]3 years ago

7 0

The answer is C, 40, angle c for triangle abc is 50 bc the total of it and 130 must equal 180. so if you subtract the angle you are given, 90, and the new angle, 50, from 180 (total a triangle should have) then your answer is 40.

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