Circle Geometry Concepts

Front

What is the measure of arc DC if it is given as 122 degrees?

Back

Arc DC measures 122 degrees.

Front

Is segment MP tangent to the circle?

Back

NO, segment MP is not tangent to the circle.

Front

What is an angle in a circle with its vertex at the center called?

Back

Central angle.

Front

If two chords in a circle are congruent, what can be said about their arcs?

Back

Their arcs are congruent.

Front

What is the arc length of minor arc AB if it is given as 5.23 units?

Back

The arc length of minor arc AB is 5.23 units.

Front

What is the definition of a circle?

Back

A circle is a set of points in a plane that are equidistant from a fixed point called the center.

Front

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

Back

The diameter is twice the length of the radius.

Front

What is an inscribed angle in a circle?

Back

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

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is the area of a circle?

Back

Area = πr², where r is the radius.