Chapter 5 - Angles

Question 1

What are the 4 types of angles?

Answer 1

Co-interior, corresponding, vertically opposite, alternate

Question 2

What is the sum of angles of an n sided polygon?

Answer 2

(n - 2) X 180

Question 3

How do you calculate hypotenuse?

Answer 3

A2 + B2 = C2

Question 4

What is the mnemonic for trigonometry?

Answer 4

SOHCAHTOA

Question 5

How do you calculate short side of triangle?

Answer 5

C2 - B2 = A2

Question 6

What are the 3 sides of a triangle?

Answer 6

Opposite, adjacent and hypotenuse

Question 7

How to find an angle in trig?

Answer 7

Find cos, tan or sin and do cos(x) = A
H

Question 8

Do you still use sin, cos and tan for finding a side?

Answer 8

Yes

Question 9

What are the 3 key things with bearings?

Answer 9

Always measured from NORTH, in a clockwise direction and has 3 SIG FIG

Question 10

What are the 3 SIN trig values?

Answer 10

30 = 1 60 = root 3 45 = 1
2. 2 root 2

Question 11

What are the 3 COS trig values?

Answer 11

30 = root 3 60 = 1 45 = 1
2 2 root 2

Question 12

What are the 3 TAN trig values?

Answer 12

30 = 1 60 = root 3 45 = 1
root 3