Ratio of Sides

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

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

What does SOH stand for

• hypotenuse over opposite
• adjacent over opposite
  opposite over adjacent
• opposite over hypotenuse
• adjacent over adjacent

What is the side across from the right angle called?

• Leg
• Pythagoras
• Hypotenuse
• Altitude

What is the ratio for tangent?

• O/A
• A/O
• A/H
• O/H

What is the ratio for sine?

• O/H
• H/A
• H/O
• O/A

What is the ratio for cosine?

• H/A
• O/A
• A/H
• A/O

What leg is considered the hypotenuse?

• Any side
• the side opposite the smallest angle
• the side opposite the right angle
• the side opposite the shortest leg

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

• any type
• right triangle
• obtuse triangle
• acute triangle

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 hypotenuse side?

• 8

• 15

• 17