What is the area of a rectangle with vertices at (7, 3), (12, 3), (12, 11), and (7, 11)?A.45 units2B.26 units2C.20 units2D.40 units2
Question
What is the area of a rectangle with vertices at (7, 3), (12, 3), (12, 11), and (7, 11)?
A. 45 units²
B. 26 units²
C. 20 units²
D. 40 units²
Solution
The area of a rectangle is calculated by multiplying its length by its width.
The length of the rectangle can be determined by the difference in the x-coordinates of its vertices. In this case, it's (12-7) = 5 units.
The width of the rectangle can be determined by the difference in the y-coordinates of its vertices. In this case, it's (11-3) = 8 units.
Therefore, the area of the rectangle is (length * width) = (5 units * 8 units) = 40 units^2.
So, the correct answer is D.40 units^2.
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