Skills · Geometry · Circles
Arc length
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- the radius labeled: an arc of 120° in a circle with radius 6
- the diameter labeled: an arc of 90° in a circle with diameter 12
- the arc given, the radius missing: The arc is 4π long. Find the radius.
Sample Sheet · Level 1
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
Answer key
- 11π units
- 12π units
- 5π units
- 6π units
- 9π units
- 18π units
- 3π units
- 4π units
Sample Sheet · Level 3
The arc is 9π long. Find the radius.
Find the arc length.
Find the arc length.
Find the arc length.
Find the arc length.
The arc is 7π long. Find the radius.
Find the arc length.
The arc is 5π long. Find the radius.
Answer key
- 12 units
- 9π units
- 15π units
- 10π units
- 8π units
- 14 units
- 5π units
- 6 units
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.