Multiple choice

What is the area of the circle of radius 7cm ?

  1. 49cm2

  2. 22cm2

  3. 154cm2

  4. 308cm2

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Area of a circle = pi * r^2. With r = 7, Area = (22/7) * 7 * 7 = 154 cm^2.

AI explanation

Using the area formula for a circle, Area = pi * r^2. Substituting the radius of 7 centimeters and pi as 22/7 gives (22/7) * 7 * 7. The result is 154 square centimeters.