Right Triangle Trig Pretest

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5

Find each trig ratio.

• 5/13

• 12/13

• 12/5

• 13/12

• 13/5

• 5/12

• 27/36
• 27/45
• 45/36
• 45/27

Find the length of side w.

• 21.4 cm

• 18.0 cm

• 36.5 cm

• 43.6 cm

Find each trig ratio.

sin D = ​ (a)  

cos D = ​ (b)  

tan D = ​ (c)  

• 20/29

• 21/29

• 20/21

• 29/20

• 29/21

• 21/20

What is the cos of X?

• ⁸/₁₅

• ¹⁷/₁₅

• ¹⁵/₁₇

• ⁸/₁₇

Give each trig ratio as a fraction in simplest form for the given right triangle diagram.

sin Q - ​ (a)  

cos Q - ​ ​ (b)  

tan Q - ​​ (c)  

• 25/24

• 7/24

• 24/25

• 7/25

• 24/7

• 25/7

Solve for side c.

• 3.38

• 7.25

• 8.83

• 18.93