Example Question Types

1. Radius & Diameter Relationships

A circle has a radius of 6. What is the diameter of the circle?

2. Circumference

What is the circumference of a circle with radius 5? Use π\pi in your answer.

3. Central Angles & Arcs

A central angle measures $90^\circ.$ What fraction of the circle’s circumference is intercepted by the angle?

4. Basic Tangent Relationship

A tangent line touches a circle at point P. What is the measure of the angle formed between the tangent line and the radius drawn to point P?