Mathematics Grade 6 15 min

Semicircles: calculate area, perimeter, radius, and diameter

Semicircles: calculate area, perimeter, radius, and diameter

Tutorial Preview

1

Find the area of a semicircle with a diameter of 10.

2

Find the perimeter of a semicircle with a radius of 4.

3

The area of a semicircle is 56.52. Find its diameter.

Sample Practice Questions

Easy
A semicircle has a diameter of 2. What is its area? Use π ≈ 3.14.
0.1.57
1.3.14
2.6.28
3.0.785
Easy
A semicircle has a radius of 1. What is its perimeter? Use π ≈ 3.14.
0.3.14
1.5.14
2.6.28
3.2.57
Easy
A semicircle has a diameter of 20. What is its area? Use π ≈ 3.14.
0.314
1.157
2.62.8
3.78.5

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