Do Now Right Triangle Trig

Find the ratio for sinA. (Reduce the fraction)

• 36/27
• 4/5
• 36/45
• 3/5

What is the correct ratio?

• sin 40 = w/28
• cos 40 = w/28
• tan 40 = w/28
• sin 40 = 28/w

What is the cosine of angle P?

• p/q
• q/r
• p/r
• r/q

Set up the problem...

• sin X = 41/28
• tan X = 41/28
• cos X = 28/41
• sin X = 28/41

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

Solve for x.

• 17.2

• 27.1

• 8.3

• 30.9

Solve for x.

• 31.2

• 5.6

• 14.6

• 6.2

Solve for x.

• 34.9

• 40.8

• 18.0

• 10.8

Solve for x.

• 50

• 40

• 41

• 49