Area of a Semicircle Worksheet
Calculate the area of semicircles using the formula and given dimensions.
Includes
Standards
Topics
Area of a Semicircle
Name:
Date:
Score:
Read each question carefully and calculate the area of each semicircle. Use π ≈ 3.14. Round your answers to two decimal places where necessary.
1. Find the area of a semicircle with a diameter of 16 cm.
2. Calculate the area of a semicircle with a radius of 7 meters.
3. The formula for the area of a full circle is A = . Therefore, the area of a semicircle is A = .
4. If a semicircle has a radius of 5 cm, its diameter is cm.
5. Which of the following is the correct formula for the area of a semicircle?
A = πr²
A = 2πr
A = ½πr²
A = πd
6. A circular pizza has a diameter of 14 inches. If you eat half of the pizza, what is the area of the pizza you ate?
7. Doubling the radius of a semicircle will double its area.
True
False