Glencoe Geometry Right Triangle Trig

What is the ratio for cosine?

• H/A

• O/A

• A/H

• A/O

Which Trig function do you use?

• Sine

• Cosine

• Tangent

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

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

What is the value of x?

• 6 < x < 30

• 21.63

• 13.42

• 30 < x < 6

Classify a triangle with side lengths 20, 25, and 15.

• Acute

• Right

• Obtuse

• Equilateral

Find the trig value rounded to the nearest ten-thousandth.
Tan(42°)

• .9004

• .8123

• 88.6361

• 42

Find the measure of the indicated angle.

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

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