How to find the Circumference when you know the Area

The video tutorial explains how to calculate the circumference of a circle. It begins with an introduction to the concept of circumference and then moves on to explain the area formula. The tutorial provides a step-by-step guide to solving for the radius using given values. Finally, it demonstrates how to calculate the diameter and use it to find the circumference, ensuring students understand the process and can apply it in tests.

What is the initial problem statement discussed in the video?

• Determining the area of a square

• Calculating the circumference of a circle

• Solving for the volume of a cylinder

• Finding the diameter of a circle

Which formula is used to derive the radius from the given area?

• Area = π × Radius²

• Circumference = Diameter × π

• Area = π × Diameter

• Circumference = 2 × Radius × π

What is the derived radius of the circle in terms of X?

• 2X

• 5X

• 3X

• 4X

How is the diameter of the circle calculated from the radius?

• Diameter = Radius / 2

• Diameter = Radius - 2

• Diameter = Radius × 2

• Diameter = Radius + 2

What is the final expression for the circumference of the circle?

• Circumference = 7X × π

• Circumference = 5X × π

• Circumference = 6X × π

• Circumference = 4X × π