Mahmoud is doing some plumbing repairs. He runs a pipe through a rectangular wall making a 70° angle. Afterward, he


Mahmoud is doing some plumbing repairs. He runs a pipe through a rectangular wall making a 70° angle. Afterward, he puts the pipe
through another wall which is parallel to the first. Mahmoud can therefore assure the homeowner that the pipe forms a angle
with the second piece of wall.
A)20°
B)90°
C)200°
D)70°


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