Area of a Semicircle Worksheet
This worksheet focuses on calculating the area of semicircles, including problems involving radius and diameter, and composite shapes.
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Area of a Semicircle Worksheet
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Read each question carefully and calculate the area of the semicircle. Use π ≈ 3.14 and round your answers to two decimal places where necessary.
1. Find the area of a semicircle with a radius of 7 cm.
2. A semicircular window has a radius of 1.5 meters. What is the area of the glass needed?
3. If a semicircle has a diameter of 10 inches, its radius is inches, and its area is approximately square inches.
4. A circular pizza is cut exactly in half. If the diameter of the whole pizza was 14 inches, the area of one slice (semicircle) is approximately square inches.
5. A garden bed is shaped like a semicircle with a diameter of 12 feet. What is the area of the garden bed?
6. Which formula is used to calculate the area of a semicircle?
A = πr²
A = 2πr
A = ½πr²
A = πd
7. Doubling the radius of a semicircle will double its area.
True
False
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