Find Missing Sides and Angles with Trig Ratio

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG

• SOHCAHTOA

• SHOCHATOA

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

• any type

• right triangle

• obtuse triangle

• acute triangle

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5

What does SOH stand for

• hypotenuse over opposite

• adjacent over opposite
  opposite over adjacent

• opposite over hypotenuse

• adjacent over adjacent

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides and angles

What is the length of the adjacent side?

• 8

• 15

• 17