Algebra Examples

$(1, 2)$ ,

$(1, 0)$ ,

$(- 1, 0)$

Step 1

The distances between the given points are the length (l), width (w), and diagonal (d).

The distance between the three corners is:

$(1, 2)$ and

$(1, 0)$

$\to$

$2$

$(1, 2)$ and

$(- 1, 0)$

$\to$

$2 \sqrt{2}$

$(1, 0)$ and

$(- 1, 0)$

$\to$

$2$

Step 2

The diagonal is the longest distance and the width is the shortest distance, which means the

$l = 2$ and

$w = 2$ .

$l = 2$

$w = 2$

Step 3

The area of a rectangle is

$A = l \cdot w$ .

$A = l \cdot w$

Step 4

Multiply

$2$ by

$2$ .

$A = 4$

Step 5

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