Multiple choice

Area of a circle whose radius is 5 cm is ______ cm2

  1. 20 π cm2

  2. 25 π cm2

  3. 30 π cm2

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The area of a circle is pi * r^2. With r = 5, the area is pi * 5^2 = 25 * pi.

AI explanation

The area of a circle is calculated using the formula pi times the square of the radius. Substituting the given radius of 5 cm into the formula, we get pi times 5 squared. This simplifies to 25 pi square centimeters.

Keep practicing — related questions