Chapter 9 Right Triangles

We can use SOH-CAH-TOA for...

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never

The ratio in a right triangle of adjacent to hypotenuse is _____

• sine
• cosine
• tangent
• inverse cosine

 Find side AB?

• 20 m
• 5 m
• 11.54 m
• 8.66 m

Choose the correct ratio.

• A
• B
• C
• D

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

Solve for x.

• 24.20
• 4.92
• 290.4
• 29.75

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4
• 55.2
• 20.15
• 19.4

Solve for the misssing distance

• 18.9
• 19.5
• 47
• 27.5

Which scenario describes the picture shown?

• A 5 foot ramp is 8 feet away from a building.  What is the angle that the ramp makes with the ground?
• A 5 foot ramp leans against an 8 foot structure.  What is the angle that the ramp makes with the ground?
• An 8 foot ramp leans
  against a building 5 feet away.  What angle does the ramp make with the ground?
• A 5 foot man is 8 feet away from a building.  What is the angle of elevation?