SaiBook.us Geometry

Lesson

Title: Area of Square

Grade: 6-a Lesson: S1-L5

Explanation: Hello students, let us learn a new topic in geometry today with definitions, concepts, examples, and worksheets included.

Lesson:

Definition: Area of Square

A square is defined as 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 is: \$s \times s (s^2)\$

$1$

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

Definition: Area of 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" = 1/2 × d^2 "square units"\$.

$2$

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