Trig

Question 1

Two Distinct Points determine ______

Answer 1

Line AB

Question 2

Line Segment AB:

Answer 2

A portion of a line between AB including AB

Question 3

Ray:

Answer 3

Portion of line AB that starts at A and continues through B, then keeps on going past B

Question 4

Angle:

Answer 4

2 rays in a plane with a common endpoint

Question 5

Vertex:

Answer 5

Common endpoint of an angle

Question 6

An Angle’s Measure:

Answer 6

Determined by the rotation about the vertex.

Question 7

Initial side;

Answer 7

ray before rotation

Question 8

Terminal side:

Answer 8

ray after the rotation

Question 9

Positive angle:

Answer 9

rotation towards the terminal side that is counterclockwise

Question 10

Negative Angle:

Answer 10

rotation towards the terminal side that is clockwise

Question 11

Degree:

Answer 11

most common unit for measuring an angle.

Question 12

1 degree = _____

Answer 12

1/360 of a complete rotation

Question 13

Acute Angle:

Answer 13

0<x<90 (not including 0 or 90)

Question 14

Obtuse Angle:

Answer 14

90<x<180

Question 15

Straight Angle:

Answer 15

180

Question 16

Complimentary Angles:

Answer 16

Combine to make a right angle (co for corner)

Question 17

Supplementary Angles:

Answer 17

Combine to make a straight angle (s for straight)

Question 18

Finding Complimentary/Supplementary Angles with common variables:

Answer 18

Set the equation = 90 or 180, then isolate the variable. Then, re-input the variables.

Question 19

One minute:

Answer 19

1/60 of a single degree. Notated as 1’

Question 20

One second:

Answer 20

1’60 of a minute, or 1/3600 of a degree. Notated as 1”

Question 21

When adding degrees, minutes, and seconds:

Answer 21

Add like units and keep them separate. simplify by reducing any minutes over 60 to degrees.