Trig in right triangles: find angles

Multiple Choice

$$\cos\left(\theta\right)=?$$  

• $$\frac{3}{5}$$  

• $$\frac{4}{5}$$  

• $$\frac{3}{4}$$  

• $$\frac{4}{3}$$  

Multiple Choice

Find the measure of the indicated angle.  

• $$6^{\circ}$$

• $$20^{\circ}$$

• $$43^{\circ}$$

• $$47^{\circ}$$

Multiple Choice

Choose the correct ratio.

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

Multiple Choice

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

Multiple Choice

To the nearest whole degree.

• 66^°

• 24^°

• 22^°

• ^37°

Fill in the Blank

What is the side OPPOSITE angle A?

Multiple Choice

Find the measure of the indicated angle.  

• $$6^{\circ}$$

• $$20^{\circ}$$

• $$43^{\circ}$$

• $$47^{\circ}$$

Multiple Choice

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6
• 6.0
• 14.8
• 13.6

Explanation Slide...

Multiple Choice

Find the measure of angle A.

• $$24\degree$$  

• $$90\degree$$  

• $$66\degree$$  

• $$42\degree$$