Parts of a Circle

Front

It is an arc with a measure equal to one-half the circumference of a circle.

Back

semicircle

Front

An angle whose vertex lies on a circle and its two sides are chords of a circle.

Back

inscribed angle

Front

A circle is a closed curve, all points of which are equidistant from a fixed point called the?

Back

center

Front

A line that passes through exactly one point on the circle.

Back

tangent

Front

It is a chord which passes through the center of the circle.

Back

diameter

Front

A line that is coplanar with the circle and intersects the circle in two distinct points.

Back

secant

Front

What is an arc of a circle that is smaller than a semicircle?

Back

minor arc

Front

A segment whose one point is in the center and the other endpoint is any point on the circle

Back

radius

Front

An angle formed by two rays whose vertex is the center of the circle.

Back

central angle

Front

Is an arc of a circle that is larger than a semicircle.

Back

major arc