Geometry Unit 8 Review

What side is x?

• adjacent
• opposite
• tangent

• hypotenuse

Which method would you use to solve for x?

• Sine
• Cosine
• Tangent
• Pythagorean Theorem

At point on the ground 50 feet from the front of a tree, the angle of elevation to the top of the tree is 48^𝑜 . Find the height of the tree.

Which of the following is the correct diagram for the problem?

• 
• 
• 
• 

Choose the correct ratio.

• sin^-1(9/20)
• cos^-1(9/20)
• sin^-1(20/9)

• cos^-1(20/9)

What is the correct ratio?

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

• sin 40 = 28/w

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9

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

• 125 ft

• 130 ft

• 65 ft

• 63 ft

Solve for the missing angle.

• 32°

• 44°

• 61°

• 50°

You are on a ship at sea. You see a lighthouse in the distance. You know the lighthouse is 175 feet tall. You measure the angle of elevation to the top of the lighthouse at 5^o. How far are you from the bottom of the lighthouse?

• 2000.3 feet

• 2007.3 feet

• 1997.9 feet

• 2134.8 feet