The correct answer for each question is indicated by a .

1

Find the measure of angle T in the triangle shown to the nearest degree. (13.0K)

A)

67^{o}

B)

41.6^{o}

C)

23^{o}

D)

2.4^{o}

2

Find the measure of angle A to the nearest degree if cos A = 0.9782.

A)

97^{o}

B)

78^{o}

C)

44^{o}

D)

12^{o}

3

Gerhard is standing at a window 15 m above the ground. He sees Violet standing on the street below him; the angle of
depression is 42^{o}. How far away is Gerhard from Violet, to the nearest tenth of a metre?

A)

24.9 m

B)

22.4 m

C)

20.2 m

D)

16.7 m

4

A ramp rises 1 m for every 5 m of horizontal distance. What angle does the ramp make with the ground?

A)

11.3^{o}

B)

11.5^{o}

C)

78.5^{o}

D)

78.7^{o}

5

Find the measure of the indicated angle in the triangle shown to the nearest tenth ofa degree. (18.0K)

A)

18.2^{o}

B)

38.7^{o}

C)

65.7^{o}

D)

75.3 ^{o}

6

Find the measure of the indicated side in the triangle shown to the nearest kilometre. (16.0K)

A)

102 km

B)

191 km

C)

242 km

D)

455 km

7

Find the measure of the indicated side in the triangle shown to the nearest tenth of a yard. (15.0K)

A)

1031.3 yd

B)

40.2 yd

C)

35.2 yd

D)

32.1 yd

8

Find the measure of the indicated angle in the triangle shown to the nearest degree. (15.0K)

A)

32^{o}

B)

55^{o}

C)

60^{o}

D)

63^{o}

9

The distances between three cellphone towers are 1200 m, 1320 m, and 1600 m. What is the measure (to the nearest degree) of the largest angle in the triangle formed by the cell towers?

A)

47^{o}

B)

54^{o}

C)

79^{o}

D)

82^{o}

10

Yasmin is in her treehouse and can see her friends Jo and Malik on the ground, one on
each side of her. The angle of depression from Yasmin to Jo is 79^{o} and the
angle of depression from Yasmin to Malik is 82^{o}. If Jo and Malik are 5 m
apart and Jo and Yasmin are 15 m apart, what is the angle of elevation from Jo to Yasmin?

A)

83^{o}

B)

78^{o}

C)

68^{o}

D)

63^{o}

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