Mathematics Grade 7 15 min

Quarter circles: calculate area, perimeter, and radius

Quarter circles: calculate area, perimeter, and radius

Tutorial Preview

1

Find the area of a quarter circle with a radius of 10 cm.

2

Find the perimeter of a quarter circle with a radius of 4 cm.

3

The area of a quarter circle is 28.26 cm². Find its radius.

Sample Practice Questions

Easy
What is the area of a quarter circle with a radius of 4? Use π ≈ 3.14.
0.12.56
1.50.24
2.14.28
3.6.28
Easy
What is the perimeter of a quarter circle with a radius of 10? Use π ≈ 3.14.
0.15.7
1.78.5
2.35.7
3.314
Easy
What is the area of a quarter circle with a radius of 2? Use π ≈ 3.14.
0.12.56
1.3.14
2.7.14
3.4

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