Lesson

Title: Area of a circle

Grade: 8-a Lesson: S4-L4

Explanation: Hello students; let us learn a new topic today with concepts, examples, and questions for you to solve.

Lesson:

Definition: Area of a Circle

Area of a circle is the region covered or enclosed within its boundary. It is measured in square units.

The formula for the area of a circle is given by: A = πr²

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Explanation:

In the above image, the given radius is 5 units and by using formula A = πr² then the area of a circle is

⇒ \$A = \pi \times 5 \times 5 \$

⇒ \$A = 3.14 \times 25\$

Area = 78.5 square units.


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