Unit 5/8 Test
23 Questions
| Total Attempts: 118
Questions and Answers
- 1.A) Write three (3) personal individual goals. Be specific. B) What kind of classwork activity would you like or what kind of group activity would you suggest for next six weeks?
- 2.
![In the following triangle, what is sin A = ?
- ProProfs]( "In the following triangle, what is sin A = ?")
In the following triangle, what is sin A = ?- A.
5/12
- B.
12/5
- C.
5/13
- D.
12/13
- 3.
![Which equation would best help solve for x? - ProProfs]( "Which equation would best help solve for x?")
Which equation would best help solve for x?- A.
Sin 25 = x/48
- B.
Cos 25 = x/48
- C.
Tan 25 = x/48
- D.
Tan 25 = 48/x
- 4.In a right angle triangle ABC, AB = 12 m, angle ABC = 90 degrees and angle BAC = 60 degrees. The length of side AC is
- A.
6 cm
- B.
24 cm
- C.
10.4 cm
- D.
16.5 cm
- 5.One end of a piece of wire 14 m long is attached to the top of a vertical pole and the other end is attached to the ground at an angle of 70 degrees to the ground. What is the height of the pole?
- A.
4.8 m
- B.
14.9 cm
- C.
13.2 m
- D.
38.5 m
- 6.
![Find the unknown side length. Round answer to the nearest hundredth if necessary. - ProProfs]( "Find the unknown side length. Round answer to the nearest hundredth if necessary.")
Find the unknown side length. Round answer to the nearest hundredth if necessary.- A.
11.70 m
- B.
137 m
- C.
105 m
- D.
10.25 m
- 7.If a = 7 and c = 25, b = ?
- A.
18
- B.
24
- C.
26
- D.
32
- 8.If b = 15 and c = 24, a = ? (Round answer to the tenth)
- A.
28.3
- B.
18.7
- C.
9
- D.
39
- 9.A triangle with sides length of 16, 30, and 34 units is a right triangle.
- A.
True
- B.
False
- 10.A triangle with sides length of 7, 24, and 25 units is a right triangle.
- A.
True
- B.
False
- 11.
![Find x. - ProProfs]( "Find x.")
Find x.- A.
2
- B.
4
- C.
Cannot be determined from information.
- 12.
![Find x.
- ProProfs]( "Find x.")
Find x.- A.
7 * sqrt(3)
- B.
7
- C.
7 * sqrt(2)
- 13.What is the definition of "sine"?
- A.
Opposite/Adjacent
- B.
Hypotenuse/Adjacent
- C.
Opposite/Hypotenuse
- D.
Adjacent/Opposite
- 14.What is the definition of "cosine"?
- A.
Hypotenuse/Adjacent
- B.
Adjacent/Opposite
- C.
Hypotenuse/opposite
- D.
Adjacent/Hypotenuse
- 15.What is the definition of "tangent"?
- A.
Adjacent/Hypotenuse
- B.
Hypotenuse/opposite
- C.
Opposite/Adjacent
- D.
Adjacent/Opposite
- 16.From the top of a lighthouse 210 feet high, the angle of depression of a boat is 27°. Find the distance from the boat to the foot of the lighthouse. The lighthouse was built at sea level.
- A.
107 ft
- B.
207 ft
- C.
187 ft
- D.
210 ft
- 17.Evaluate x if tan x = 2.45(answer correct to 1 decimal place)
- A.
67.8°
- B.
67.7°
- C.
1.2°
- D.
1.1°
- E.
75.3°
- 18.Cos 23 = (answer correct to 2 decimal places)
- A.
0.935
- B.
0.94
- C.
0.921
- D.
0.92
- E.
-0.53
- 19.Tan 74o = (answer to 1 decimal place)
- A.
-5.7
- B.
3.4
- C.
3.5
- D.
2.3
- 20.Evaluate x if cos x =0.156(correct to the neearest degree)
- A.
81°
- B.
1°
- C.
90°
- 21.Name (First and Last)
- 22.
![In the diagram below, buildings P and Q are 50m apart. The angle of elevation of T from R is 53° and the angle of depression of V from R is 41°. Determine the height TV of building Q?
- ProProfs]( "In the diagram below, buildings P and Q are 50m apart. The angle of elevation of T from R is 53° and the angle of depression of V from R is 41°. Determine the height TV of building Q?")
In the diagram below, buildings P and Q are 50m apart. The angle of elevation of T from R is 53° and the angle of depression of V from R is 41°. Determine the height TV of building Q?- A.
95.3m
- B.
73.6m
- C.
110m
- D.
83.4m
- 23.If the side lengths of a triangle are 7, 6, and 9, the triangle is _____.
- A.
Obtuse
- B.
Right
- C.
Acute
- D.
Cannot be formed
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