Right Triangle Trigonometry: Find a Missing Triangle Side

What is the ratio for Sine?

• Adjacent Leg / Opposite Leg 

• Opposite Leg / Hypotenuse

• Hypotenuse / Opposite Leg 

• Adjacent Leg / Hypotenuse

• A
• B
• C
• D

A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree.  The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse? 

• 7.5 ft 

• 15 ft 

• 26 ft 

• 30 ft 

• A
• B
• C
• D

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

What is the length of the adjacent side?

• 8

• 15

• 17

What is the length of the opposite side?

• 8

• 15

• 17

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

What does SOH stand for

• hypotenuse over opposite

• adjacent over opposite
  opposite over adjacent

• opposite over hypotenuse

• adjacent over adjacent