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Study Quiz
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1
Determine tan R.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070002479/775988/M10Ch3Qu1.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070002479/775989/Ch3_image002.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070002479/775989/Ch3_image003.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070002479/775989/Ch3_image004.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0070002479/775989/Ch3_image005.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
2
Calculate tan 40°, to four decimal places.
A)–1.1172
B)1.1918
C)0.8391
D)0.6427
3
Determine the measure of angle θ, to the nearest tenth of a degree.

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A)36.9°
B)38.7°
C)53.1°
D)59.0°
4
Mikhail walks 20 m away from the base of a tree. He turns around and measures the angle of elevation of the top of the tree as 62°. How tall is the tree, to the nearest tenth of a metre?
A)37.6 m
B)17.7 m
C)10.6 m
D)9.4 m
5
Which trigonometric ratio in the right triangle is equal to 4/5?
A. sin X        B. cos Z        C. cos X

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A)both A and B
B)A
C)B
D)both A and C
6
Evaluate cos 54° to four decimal places.
A)0.5878
B)0.8090
C)1.3764
D)–0.8293
7
An airplane takes off and climbs 500 m vertically while flying a slant distance of 6 km. What is the angle of climb, to the nearest hundredth of a degree?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070002479/775988/M10Ch3Qu7.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
A)0.7°
B)4.78°
C)85.22°
D)4.76°
8
Annika is standing on a bridge 25 m above a river. She looks down at an angle of depression of 18° and sees a rubber raft approaching. How far is the raft from the point on the river directly below the bridge, to the nearest metre?
A)8 m
B)26 m
C)77 m
D)81 m
9
A tourist in Costa Rica slides 90 m down a zip line, covering 80 m along the ground. What is the angle of elevation of the zip line, to the nearest tenth of a degree?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070002479/775988/M10Ch3Qu9.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (9.0K)</a>
A)41.2°
B)48.4°
C)41.6°
D)27.3°
10
Determine the measure of ∠CBD, to the nearest tenth of a degree.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070002479/775988/M10Ch3Qu10.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)22.6°
B)36.9°
C)53.1°
D)67.4°







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