Lesson 1 (Angles)

It is the study of triangles: their angles, lengths and more.

• Trigonometry

• Geometry

• Statistics

• Algebra

Trigonometry comes from two Greek words: _________ or triangle and ________ or measure.

(Select two answers)

• to measure

• angles

• triangle

• measurable

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

It can be used to figure out unknown measurements of parts of triangles.

• Trigonometry

• Geometry

• Statistics

• Algebra

The point where the rays intersect is called the (a)   of the angle.

Tags

CCSS.4.G.A.1

What is the unit of measurement of an angle?

• degrees

• celsius

• meter

• inches

Tags

CCSS.4.MD.C.6

It is an angle measuring between 90 and 180 degrees.

(a)  

Tags

CCSS.4.G.A.1

If the vertex is at the origin and one ray is on the positive x-axis, then, the angle is in _____________.

• quadrantal side

• terminal side

• initial side

• standard position

Tags

CCSS.5.G.A.1

If the terminal side of an angle lies "on" the axes, it is called ________.

• terminal angle

• initial angle

• quadrantal angle

• standard angle

If the terminal side is rotated ____________, the angle of rotation is positive.

• counterclockwise

• clockwise

If you are given a measure of

 $1040\degree$  , then it falls on __________.

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV