Use the image to answer the question.

A graph shows four quadrants with the x-axis and y-axis both ranging from negative 10 to positive 10 in increments of 1. Unlabeled points are plotted at left parenthesis negative 6 comma 8 right parenthesis, left parenthesis 4 comma 8 right parenthesis, left parenthesis 4 comma negative 3 right parenthesis, and left parenthesis negative 6 comma negative 3 right parenthesis. A straight line joins the four points forming a rectangle.

What is the length of the diagonal of the rectangle? Round your answer to the nearest hundredth, if necessary.

1 answer

To find the length of the diagonal of the rectangle, we can use the distance formula.

The distance between two points (x1, y1) and (x2, y2) is given by the formula:

d = sqrt((x2 - x1)^2 + (y2 - y1)^2)

We can calculate the distance between the points (-6, 8) and (4, 8):

d1 = sqrt((4 - (-6))^2 + (8 - 8)^2)
= sqrt(10^2 + 0^2)
= sqrt(100)
= 10

Next, we can calculate the distance between the points (4, 8) and (4, -3):

d2 = sqrt((4 - 4)^2 + (-3 - 8)^2)
= sqrt(0^2 + (-11)^2)
= sqrt(121)
= 11

Now, we can calculate the distance between the points (4, -3) and (-6, -3):

d3 = sqrt((-6 - 4)^2 + (-3 - (-3))^2)
= sqrt((-10)^2 + 0^2)
= sqrt(100)
= 10

Finally, we can calculate the distance between the points (-6, -3) and (-6, 8):

d4 = sqrt((-6 - (-6))^2 + (8 - (-3))^2)
= sqrt(0^2 + 11^2)
= sqrt(121)
= 11

Therefore, the length of the diagonal of the rectangle is the sum of these four distances:

diagonal = d1 + d2 + d3 + d4
= 10 + 11 + 10 + 11
= 42

Rounded to the nearest hundredth, the length of the diagonal is 42.00.
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