Geo 8.3 Flashcardzes Vocab Review

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, and the sides of the angle are the chords.

Front

What is the measure of an inscribed angle in relation to the arc it intercepts?

Back

The measure of an inscribed angle is half the measure of the intercepted arc.

Front

What is a secant line?

Back

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

Front

What is a tangent line?

Back

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

Front

What is a chord in a circle?

Back

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

Front

What is a minor arc?

Back

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

Front

What is a major arc?

Back

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

Front

How do you calculate the value of x in angle problems?

Back

To find the value of x in angle problems, use the properties of angles, such as the sum of angles in a triangle or the relationship between inscribed angles and intercepted arcs.

Front

What is the relationship between a tangent and a radius?

Back

A tangent to a circle is perpendicular to the radius drawn to the point of tangency.

Front

What is the formula for the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.