Question

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Answer 1

you have a line with one angle = 70
the line should be = 180, so what is the measurement of the angle next to the 70

Answer 2

when you subtract 180 - 70 you get the second angle of the triangle,
you have one angle = 20, then you going to figure out the second angle
you know that a triangle angle measurements = 180, so then you can figure out the third angle which is the answer you are looking for since it is the same as angle 1

Answer 3

correct, good job