To prove that it is a parallelogram, remember that the definition of a parallelogram is a quadrilateral with two pairs of parallel sides. Therefore, one way to prove it is a parallelogram is to verify that the opposite sides are parallel. From algebra, remember that two lines are parallel if they have the same slope.
Answer:
12
Step-by-step explanation:
The easiest and fastest way is to plug it into a calc. However, if you don't have one, the best way is to convert the decimals into whole numbers by moving the decimal places for both numbers and divide from there.
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