Question

Match the vocabulary word with the correct definition.

1. circle
part of the circumference of a circle between two points
2. central angle
an angle that has the center of a circle as its vertex
3. circumference of a circle
the length around the exterior of a circle; measured in degrees in terms of an arc
4. arc
a figure with all of its points the same distance from the center
5. chord
a line segment that connects two points on a circle

Answer 1

1. circle — a figure with all of its points the same distance from the center (definition 4)
2. central angle — an angle that has the center of a circle as its vertex (definition 2)
3. circumference of a circle — the length around the exterior of a circle (definition 3)
4. arc — part of the circumference of a circle between two points (definition 1)
5. chord — a line segment that connects two points on a circle (definition 5)