SOLUTION: One half the difference between the number of degrees in a rectangle and the number of degrees in a triangle is how much?

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Question 1104158: One half the difference between the number of degrees in a rectangle and the number of degrees in a triangle is how much?
Answer by josgarithmetic(39799) About Me  (Show Source):
You can put this solution on YOUR website!
Start with two basic facts:
Rectangles each have 360 degree sum of the internal angles.
Triangles each has sum of interior angles of 180 degrees.