Act Practice Right Triangles and 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

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

• 
• 
• 
• 

What is the value of "x" in the diagram below?

• 2.5

• 5

• 5√3

• 10

What is the value of "y" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Determine the value of: sin(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: cos(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: tan(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these