Circle Angles, Arcs and Measures

Front

What is the measure of arc BEA if it is given as 212 degrees?

Back

The measure of arc BEA is 212 degrees.

Front

How do you find the missing angles or arcs in a circle?

Back

To find missing angles or arcs, use the properties of circles, such as the sum of angles in a circle being 360 degrees, and the relationship between angles and arcs.

Front

What is the measure of angle U if it is given as 46 degrees?

Back

The measure of angle U is 46 degrees.

Front

If an angle measures 70 degrees, what is the corresponding arc measure?

Back

The corresponding arc measure is also 70 degrees.

Front

What is the measure of an angle that corresponds to an arc of 100 degrees?

Back

The measure of the angle is 100 degrees.

Front

Define a central angle in a circle.

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides are radii that intersect the circle.

Front

What is the relationship between a central angle and its intercepted arc?

Back

The measure of a central angle is equal to the measure of its intercepted arc.

Front

What is an inscribed angle in a circle?

Back

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

Front

How do you calculate the measure of an inscribed angle?

Back

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

Front

What is the formula for the circumference of a circle?

Back

The circumference C of a circle is given by the formula C = 2πr, where r is the radius.