Trapezoid ABCD is graphed in a coordinate plane.
What is the area of the trapezoid?
-
4-3 -2 -
1 2
3
4 5 x
10 square units
12 square units
20 square units
24 square units
с
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1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?