Unit Circle Vocabulary Quiz

What is the term for the distance around a circle?

• Radius

• Circumference

• Diameter

• Quadrant

The ______ is the distance from the center of a circle to any point on its circumference.

• Diameter

• Radius

• Tangent

• Sine

Which term describes the longest distance across a circle?

• Radius

• Diameter

• Circumference

• Radians

Trigonometry is primarily concerned with the study of ______.

• Circles

• Triangles

• Squares

• Coordinates

What unit is used to measure angles in a circle?

• Degrees

• Radians

• Coordinates

• Quadrants

The sine function is associated with which type of mathematical study?

• Algebra

• Geometry

• Trigonometry

• Calculus

Cosine is a function that relates to the ______ of an angle in a right triangle.

• Opposite

• Adjacent

• Hypotenuse

• Radius

Which function is used to find the ratio of the opposite side to the adjacent side in a right triangle?

• Sine

• Cosine

• Tangent

• Radius

Coordinates are used to determine the ______ of a point in a plane.

• Size

• Shape

• Position

• Color

How many quadrants are there in a standard Cartesian coordinate system?

• 2

• 3

• 4

• 5