Parts of a circle

Front

What is the formula for the area of a circle?

Back

Front

What is an inscribed angle?

Back

An inscribed angle is formed by two chords in a circle which have a common endpoint. The vertex of the angle is on the circle.

Front

What is a secant line?

Back

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

Front

How do you find the area of a circle given its circumference?

Back

Front

What is a semi-circle?

Back

A semi-circle is half of a circle, formed by a diameter and the arc connecting its endpoints.

Front

What is the relationship between the diameter and radius of a circle?

Back

Front

What is a chord in a circle?

Back

A chord is a line segment with both endpoints on the circle.

Front

What is a tangent line?

Back

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

Front

What is a major arc?

Back

A major arc is an arc that is larger than a semicircle.

Front

What is a minor arc?

Back

A minor arc is an arc that is smaller than a semicircle.