Intro to Right Triangle Trigonometry

If you are given the length of a hypotenuse and the length of an adjacent side, what trigonometry ratio could you use .

• sine

• cosine

• tangent

• trigonometry

What is the opposite side to <E?

• EF

• DF

• DE

What is the adjacent side to <D?

• EF

• DF

• DE

The ratio in a right triangle of adjacent to hypotenuse is _____

• sine

• cosine

• tangent

• inverse cosine

Set up an equation that could be used to solve for the variable.

• 
• 
• 
• 

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right triangles only

• Never

Find the value of tan X. Give your answer as a simplified fraction.

• 3/4

• 28/21

• 4/3

• 21/35

Which side length is adjacent to angle A?

• 12

• 16

• 20

• Nick Jonas

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

solve for c

• 7

• 9

• 4

• 13