Answer:
20 units²
Explanation:
A = 4 × 5 = 20 units²
20 square units
If you were to graph the four points(creating a table on desmos is a good option) you would find that one side is 4 units long and the other is 5 units long. You multiply 4 times 5 to get that the area is 20 units squared. :)
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