Mathematics
Grade 8
15 min
Circles: word problems
Circles: word problems
Tutorial Preview
1
A bicycle wheel has a radius of 10 inches. What is its circumference?
2
A circular pizza has a diameter of 12 inches. What is its area?
3
The area of a circular garden is 78.5 sq. ft. What is its radius?
Sample Practice Questions
Easy
A vinyl record has a radius of 2 inches. What is its circumference? Use 3.14 for π.
0.12.56 in
1.6.28 in
2.25.12 in
3.4 in
Easy
The radius of a clock face is 1 foot. What is its circumference? Use 3.14 for π.
0.3.14 ft
1.6.28 ft
2.1 ft
3.2 ft
Easy
A dinner plate has a diameter of 10 cm. What is its area? Use 3.14 for π.
0.31.4 cm²
1.314 cm²
2.78.5 cm²
3.100 cm²
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