Missing Sides and Angles Using Trigonometry

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Find x round to the nearest tenth.

• 46.1
• 4.9
• 73.5
• 68.6

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 3.8 cm

• 28.8 cm

• 3.9 cm

• 3.6 cm

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 10.3 cm

• 10.2 cm

• 17.5 cm

• 8.6 cm

Which is the correct set up to solve for x?

• sin 72 = 6 / x
• cos 72 = 6 / x
• tan 72 = 6 / x

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 8.7 cm

• 10.2 cm

• 12.3 cm

• 8.6 cm

Choose the correct set-up to solve for x.

Saul 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