1. Given the triangle a = 83
ft, b = 98 ft, and A = 110o, find C to the nearest degree.
| A 570 |
B
410 |
c
280 , 620 |
D No
Solution |
E None |
2. Given the triangle a =
53 ft, b = 94 ft, and c = 87 ft, find A to the nearest degree.
| A 340 |
B 490 |
C 660 |
D 800 |
E None |
3. Given the triangle B = 81o,
a = 15 ft, and c = 72 ft, find b to the nearest tenth of a foot.
| A 57.2
ft |
B 71.2
ft |
C
3275.6 ft |
D
5071.0 ft |
E None |
4. Given the triangle a = 146
ft, b = 148 ft, and A = 78o, find B to the nearest tenth of a degree.
| A 38o |
B 82.5o |
C No
Solution |
D 4.5o,
19.5o |
E 82.5o,
97.5o |
(Questions 5 and
6) A 97 ft tower erected on a hill which slopes 15 degrees is supported by cables.
If the distances from the base of the tower to the point at which the cable enters the
ground is 42 ft, find the length of cable A and cable B.
5. The length of cable A to the nearest tenth of a foot is ______
| A
115.2 ft |
B 95.2
ft |
C 57.5
ft |
D 138.0
ft |
E None |
6. The length of cable B to the
nearest tenth of a foot is _____
| A 57.5
ft |
B 83.6
ft |
C 95.2
ft |
D 115.2
ft |
E 138.0
ft |
7. A machinist whishes to drill
five equally spaced circular holes in a circle of radius 15 in. What is the distance, d,
between the center of the holes to the nearest tenth of an inch?
| A 15.0
in |
B 17.6
in |
C 9.3
in |
D 21.2
in |
E None |
8. A surveyor whishes to measure
a distance L across a lake. The surveyor paces 200.0 ft to one edge and 75.0 ft to the
other edge. The angle between the two distances is 82o, find the distance L to
the nearest tenth of a foot.
| A 213.6
ft |
B 223.2
ft |
C 208.7
ft |
D None
of these |
9. A freighter steams due East
at 30 mph while a cruise ship travels 40o North East at 50 mph. After 4 hours,
how far apart are they to the nearest tenth of a mile.
| A 160.0
mi |
B 301.9
mi |
C 132.8
mi |
D 233.2
mi |
E None |
10. A cylindrical tank of radius
1 ft rolls down the ramp shown below, Which of the following is closest to the number of
revolutions made by the tank at the instant when it is completely off the ramp?
| A 12
rev |
B 20
rev |
C 30
rev |
D 80
rev |
E 125 rev |
|
