Circle Vocabulary Day 1

Front

What is the definition of a diameter?

Back

A diameter is a straight line segment that passes through the center of a circle and connects two points on the circle's circumference.

Front

What is the center of a circle?

Back

The center of a circle is the point that is equidistant from all points on the circle's circumference.

Front

What is the circumference of a circle?

Back

The circumference is the distance around the circle, calculated as C = 2πr, where r is the radius.

Front

What is a radius?

Back

A radius is a line segment from the center of the circle to any point on its circumference.

Front

What is a chord?

Back

A chord is a line segment whose endpoints lie on the circumference of the circle.

Front

What is a secant?

Back

A secant is a line that intersects a circle at two points.

Front

What is a tangent?

Back

A tangent is a line that touches the circle at exactly one point.

Front

What is an inscribed angle?

Back

An inscribed angle is formed by two chords in a circle which have a common endpoint.

Front

What is a minor arc?

Back

A minor arc is the smaller arc connecting two points on a circle.

Front

What is a major arc?

Back

A major arc is the larger arc connecting two points on a circle.