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Lesson: Finding the Area of a Circle

In this lesson, we will learn how to find the area of a circle given its radius or diameter using the formula πr^2 or π(d/4)^2 and solve real-world problems.

Video: Area of a Circle

Worksheet: Finding the Area of a Circle • 13 Questions

Q1:

Work out the area of the circle, giving your answer accurate to two decimal places.

Q2:

Work out the area of the circle, giving your answer accurate to two decimal places.

Q3:

Determine, to the nearest tenth, the area of the given circle.

Q4:

Using the area formula and rounding to the nearest hundredth, find the area of the colored circle.

Q5:

Given that the inner radius is 6.5 cm and the outer radius 11.5 cm, use 3.14 in place of to find the area of the colored region.

A547.93 cm²
B282.6 cm²
C415.27 cm²
D132.66 cm²

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