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Definition1

Title: Area of Square

Grade 6+ Lesson s1-l5

Explanation: The best way to understand geometry is by looking at some definitions. Take turns and read each definition for easy understanding.

Definition

Topics → Definition Example1 Example2

Definition: Area of a Square

A square is a polygon with four sides, where all sides are of equal length, and all interior angles form right angles. The area of a square is the product of one of its sides multiplied by itself.
The area (A) of a square can be calculated using the formula:
\$s \times s = (s^2)\$

$1$

Explanation:

The area of a square with each side 9 feet long is 9 × 9 or 81 square feet \$(ft^2)\$.

Definition: Area of a Square using diagonal

The diagonal of a square is a line segment that connects two opposite corners or vertices of the square.
Area of a square using diagonals = ½ × \$d^2\$ square units.

$2$

Explanation:

In this image, the side length of a square is 4cm, and the diagonal of a square is 6cm.