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Study Quiz
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1
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973350/449925/ML7_ch8_quiz_ques1.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"> (3.0K)</a> What is the diameter of the circle shown?
A)0.4 m
B)0.8 m
C)1.6 m
D)3.2 m
2
Refer to the diagram in question 1. What is the circumference of the circle, to the nearest m?
A)10 m
B)5 m
C)3 m
D)2 m
3
Refer to the diagram in question 1. What is the area of the circle, to the nearest m2?
A)2 m2
B)8 m2
C)10 m2
D)32 m2
4
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973350/449925/ML7_ch8_quiz_ques4.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> The student choices for food at the school picnic are shown in the circle graph. What percent of students wanted subs?
A)7%
B)14%
C)21%
D)28%
5
Refer to the circle graph in question 4. If the school has a population of 350 students, how many asked for hotdogs or hamburgers?
A)88
B)116
C)203
D)301
6
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973350/449925/ML7_ch8_quiz_ques6.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> Farmer Macdonald wants to fence a semicircular field to form four horse paddocks as shown. What length of fencing does he need, to the nearest m?
A)564 m
B)407 m
C)307 m
D)257 m
7
Refer to the diagram in question 6. What is the area of each paddock, to the nearest m2?
A)7850 m2
B)3925 m2
C)1963 m2
D)981 m2
8
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070973350/449925/ML7_ch8_quiz_ques8.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 circular flower bed has a radius of 2 m. A walkway 1 m wide will be laid around the bed. Both the inside and outside of the walkway will have a decorative trim. How much trim is needed, rounded up to the nearest m?
A)13 m
B)16 m
C)32 m
D)114 m
9
Refer to the diagram in question 9. What is the area of concrete needed for the walkway, rounded up to the nearest m2?
A)13 m2
B)16 m2
C)32 m2
D)114 m2
10
An all-movie television channel showed 12 dramas, 16 action films, 8 science fiction films, and 4 documentaries. To construct a circle graph, what is the central angle needed for the sector representing science fiction films?
A)22.5º
B)30º
C)36º
D)72º





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