Unit 7 Review
32.1
A 35 foot wire is secured from the top of a flagpole to a stake in the ground. If the stake is 14 feet from the base of the flagpole, how tall is the flagpole?
60.1
A fire hydrant sits 72 feet from the base of a 125 foot tall building. Find the angle of elevation from the fire hydrant to the top of the building.
78.8
A fireman leaned a 36 foot ladder against a building. If he placed the ladder 7 feet from the base of the building, what angle is formed between the ladder and the ground?
Acute
Determine whether the triangle is acute, right, obtuse, or not a triangle. 15, 16, 21
Obtuse
Determine whether the triangle is acute, right, obtuse, or not a triangle. 20, 23, 41
Obtuse
Determine whether the triangle is acute, right, obtuse, or not a triangle. 3, 16, 17
Obtuse
Determine whether the triangle is acute, right, obtuse, or not a triangle. 3.1 m, 5.9 m, 7.2 m
Not a triangle
Determine whether the triangle is acute, right, obtuse, or not a triangle. 6, 13, 20
Acute
Determine whether the triangle is acute, right, obtuse, or not a triangle. 8 ft, 14 ft, 16 ft
Right
Determine whether the triangle is acute, right, obtuse, or not a triangle. 9 in, 12 in, 15 in
12.2
Find the value of x
15.1
Find the value of x
16.5
Find the value of x
20.8
Find the value of x
21.7
Find the value of x
25.5
Find the value of x
29.7
Find the value of x
35.9
Find the value of x
42.3
Find the value of x
5.7
Find the value of x
53.1
Find the value of x
53.7
Find the value of x
58.9
Find the value of x
6
Find the value of x
61.9
Find the value of x
62.2
Find the value of x
64.2
Find the value of x
11.5
Find the value of y
5.2
Find the value of y
33.8
A spectator in the stands spots the team mascot on the field at an angle of depression of 46°. If the spectator is sitting 35 feet above the ground, what is the horizontal distance between the spectator and the mascot.
44.8
A wire is attached from the top of a 30 foot telephone pole to a stake in the ground. If the angle formed by the wire and the pole is 48°, what is the length of the wire?
12/13
Give the trig ratio as a fraction in simplest form. Cos R =
5/13
Give the trig ratio as a fraction in simplest form. Cos T =
5/13
Give the trig ratio as a fraction in simplest form. Sin R =
12/13
Give the trig ratio as a fraction in simplest form. Sin T =
5/12
Give the trig ratio as a fraction in simplest form. Tan R =
12/5
Give the trig ratio as a fraction in simplest form. Tan T =
14.3
Jada is standing 10 feet from the base of a tree and spots a nest sitting on a branch. The angle of elevation from the ground to where she is standing to the nest is 55°. Find the height of the nest.
31.8
Solve for x
40.7
The angle of elevation from Nathan to a lighthouse is 70°. If the lighthouse is 112 feet tall, how far is Nathan from the base of the lighthouse?
18.8
The marching band director is standing on a platform overlooking the band practice. The pit section is located 8 feet from the base of the platform. If the angle of depression from the band director to the pit section is 67°, find the height of the platform.
4.8
What is the value of x?
9
What is the value of x?