Mathematics
Grade 8
45 min
Circles, semi circles and quarter circles
Tutorial Preview
1
Find the area of a circle with a radius of 5.
2
Find the perimeter of a semi-circle with a radius of 3.
3
Find the area of a quarter-circle with a radius of 4.
Sample Practice Questions
Easy
What is the area of a circle with a radius of 2?
0.4 * pi
1.2 * pi
2.8 * pi
3.16 * pi
Easy
What is the perimeter of a semi-circle with a radius of 2?
0.2*pi + 2
1.2*pi + 4
2.4*pi + 4
3.4*pi
Easy
What is the area of a quarter-circle with a radius of 2?
0.pi
1.2 * pi
2.4 * pi
3.0.5 * pi
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Circles, semi circles and quarter circles is a Grade 8 Mathematics lesson on ExcelOS.
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This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.