On a Cartesian coordinate plane, points $(2,1)$ and $(3, 4)$ are adjacent points on a square. What is the area of the square?

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leena

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Answer:

A = 10 units².

Step-by-step explanation:

To solve this, we need to find the distance between the two points to derive the side-lengths of the square. Use the distance formula:

[tex]d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}[/tex]

Plug in points into the formula to find the distance:

[tex]d = \sqrt{(3 - 2)^2 + (4-1)^2}[/tex]

Simplify:

[tex]d = \sqrt{(1)^2 + (3)^2}[/tex]

[tex]d = \sqrt{(1) + (9)}[/tex]

[tex]d = \sqrt{10}[/tex]

Find the area of the square using the formula A = s² where s = √10:

A = (√10)²

A = 10 units².

Answer:

10

Step-by-step explanation:

We use the distance formula to find the distance between the two points, which is the side length of the square.. Therefore, the area of the square is 10.