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9 days ago

A rectangle on a coordinate plane has vertices at (7,5), (-7,5), (-7,-2), and (7,-2). What is the perimeter of the rectangle?

2 answers:

8 0

Answer: 42 Step-by-step description: The rectangle situated on a coordinate plane has vertices at (7,5), (-7,5), (-7,-2), and (7,-2). The rectangle’s perimeter can be calculated using the formula 2(length) + 2(width). First, we determine the distance between the points (7,5) and (-7,5) since the y-values remain consistent; the distance is acquired by subtracting the x values for length. Next, for points (-7,5) and (-7,-2) where the x-values are consistent, we find the width by subtracting the y-values. Thus, the perimeter is then calculated as 2(length) + 2(width), resulting in 2(14) + 2(7) = 42 units.

lawyer [12K]9 days ago

7 0

For a rectangle, the perimeter can be calculated as P=2l+2w. Assuming the length is horizontal and the width is vertical, the span between the x coordinates will give the length, while the span between the y coordinates will determine the width. Once these measurements are obtained, you can apply them to the perimeter formula. |7 -(-7)| = 14 gives l = 14, |5-(-2)| = 7 gives w=7. Therefore, P=2(14)+2(7), which results in P= 28+14, thus, P= 42.

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