Worksheets7.3b - 7.4 honors
Total questions: 10
Worksheet time: 2hrs 17mins
Name
Class
Date
1.
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 73o, how far off the ground is Dustin?
a)
118.2 ft
b)
120.9 ft
c)
124.3 ft
d)
126.5 ft
2.
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.
a)
37°
b)
42°
c)
27°
d)
63°
3.
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.
a)
about .1 degree
b)
about 84 degrees
c)
about 6 degrees
d)
I love Math!
4.
The ∠ of elevation and ∠ of depression represent which angle pair formed by parallel lines cut by a transversal?
a)
corresponding ∠'s
b)
alt. ext. ∠'s
c)
alt. int. ∠'s
d)
vertical ∠'s
5.
True or False: The ∠ of depression is the ∠ formed above the horizontal line.
a)
True
b)
False
6.
Find the length of AB using law of Sines.
a)
A
b)
B
c)
C
d)
D
7.
What is the measure of angle A? Hint: use Law of Sines
a)
50 degrees
b)
60 degrees
c)
78 degrees
d)
74 degrees
8.
A triangle with two sides that measure 6 m and 8 m with an included angle of 137°. Hint: use Law of Cosines
a)
17.8m²
b)
14.6m²
c)
16.4m²
d)
12.9m²
9.
Find angle A. Hint: use Law of Cosines
a)
53.6
b)
13.3
c)
113.1
10.
True or False: It is possible to use Law of Sines or Law of Cosines to find a missing angle and/or side.
a)
True
b)
False
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