How to Find the Radius of a Circle from the Area

The video tutorial explains how to find the radius of a circle when given the area. It presents a problem involving a sprinkler watering a circular area of 1600 Pi square meters and guides viewers through solving for the radius. The solution involves using the formula for the area of a circle, dividing by Pi, and calculating the square root to find the radius. The tutorial encourages viewers to pause and attempt the problem before revealing the solution, promoting active learning.

How do you find the radius from the area of a circle?

What is the area of the circular area being watered by the sprinkler?

What formula is used to calculate the area of a circle?

Explain the process of solving for the radius in this problem.

What is the value of the radius when the area is 1600 Pi square meters?