Question

Formular for area of a circle

Answer 1

• πr²

Explanation:

The circumference of a circle is given to be 2πr, and its radius to be r.

• Area = 1/2 x circumference x radius
• Area = 1/2 x 2πr x r
• Area = πr²

Answer 2

Tr2

Explanation:

pie * radius * radius