7.3b - 7.4 honors

Dustin is stuck at the top of a Ferris wheel. His mother is standing 38 feet from the base of the wheel watching him. If the angle of elevation from Dustin's mom to Dustin is 73^o, how far off the ground is Dustin?

• 118.2 ft
• 120.9 ft
• 124.3 ft
• 126.5 ft

I am cleaning the windows on my house.  I place a 4.5 m ladder against the side of my house to reach a window that is 4 m above the ground.  What is the angle that the ladder makes with the ground? Hint: think about how a ladder leans to draw your picture.

• 37°
• 42°
• 27°
• 63°

Tags

CCSS.HSG.SRT.C.8

An airplane takes off 600 feet in front of a 60 foot building. At what angle of elevation must the plane take off in order to avoid crashing into the building? Assume that the airplane flies in a   straight line and the angle of elevation remains constant until the airplane   flies over the building. 

• about .1 degree
• about 84 degrees
• about 6 degrees
• I love Math!

The ∠ of elevation and ∠ of depression represent which angle pair formed by parallel lines cut by a transversal?

• corresponding ∠'s
• alt. ext. ∠'s
• alt. int. ∠'s
• vertical ∠'s

True or False:  The ∠ of depression is the  ∠ formed above the horizontal line.

• True
• False

Tags

CCSS.HSG.CO.A.1

 Find the length of AB using law of Sines.

• A
• B
• C
• D

What is the measure of angle A? Hint: use Law of Sines

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees

A triangle with two sides that measure 6 m and 8 m with an included angle of 137°. Hint: use Law of Cosines

• 17.8m²
• 14.6m²
• 16.4m²
• 12.9m²

Find angle A. Hint: use Law of Cosines

• 53.6
• 13.3
• 113.1

True or False: It is possible to use Law of Sines or Law of Cosines  to find a missing angle and/or side.

• True
• False