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This worksheet covers Arcs, which is part of the Circle Measurements and Graphs module in the SAT Math course. Practice problems are designed to strengthen key concepts and build confidence.
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Set 3 — Foundation
A circle has a radius of 6 cm. What is the length of an arc that subtends an angle of 60 degrees at the center of the circle? Use the formula for arc length: .
6.28 cm
12.56 cm
3.14 cm
9.42 cm
If the circumference of a circle is 31.4 cm, what is the measure of a 90-degree arc? (Use )
7.85 cm
15.7 cm
31.4 cm
3.14 cm
A circle has a diameter of 10 inches. What is the length of an arc that subtends an angle of 120 degrees?
10.47 inches
8.33 inches
15.71 inches
12.57 inches
What is the measure of a 180-degree arc in a circle with a radius of 5 m?
5\pi m
10 m
2.5\pi m
15 m
A circle has a radius of 4 feet. What is the length of an arc that subtends an angle of 30 degrees?
2.09 feet
4.19 feet
1.33 feet
3.14 feet
If a circle has a radius of 3 cm, what is the length of an arc subtended by a 150-degree angle?
7.07 cm
3.93 cm
2.35 cm
5.66 cm
What is the length of an arc in a circle with a radius of 8 m that subtends a 45-degree angle?
3.14 m
10.05 m
6.28 m
2.50 m
A circle has a circumference of 25.12 cm. What is the length of an arc that subtends a 60-degree angle?
8.33 cm
5.24 cm
10.47 cm
4.52 cm
If a circle has a radius of 9 inches, what is the length of an arc that subtends a 150-degree angle?
23.56 inches
14.14 inches
21.13 inches
19.63 inches
What is the length of an arc with a central angle of 120 degrees in a circle with a radius of 10 cm?
20.94 cm
15.71 cm
10.47 cm
25.13 cm
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