Mathematics
Grade 5
15 min
Radius, diameter, circumference, and area of a circle
Radius, diameter, circumference, and area of a circle
Tutorial Preview
1
A circle has a radius of 3 cm. What is the diameter?
2
A circle has a diameter of 10 cm. What is the radius?
3
A circle has a radius of 4 cm. Find the circumference. (Use π ≈ 3.14)
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Easy
A button has a radius of 2 cm. What is its diameter?
0.4 cm
1.2 cm
2.1 cm
3.6.28 cm
Easy
A pizza has a diameter of 8 inches. What is its radius?
0.4 in
1.8 in
2.16 in
3.2 in
Easy
A cookie has a radius of 5 cm. What is the diameter?
0.10 cm
1.5 cm
2.2.5 cm
3.15.7 cm
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