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Contemporary's GED Mathematics

Basic Geometry

# GED Practice Quiz

## Directions:

Choose the one best answer to each question. When you have finished the quiz, click on Submit Answers to receive feedback and results. You may also choose to e-mail your results to your instructor.

 1 Which of the following could be the measures of the three angles of a triangle? A) 20°, 40°, and 110° B) 20°, 40°, and 130° C) 30°, 50°, and 90° D) 30°, 50°, and 100° E) 40°, 40°, and 110°

Question 2 refers to the following diagram.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_2.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"> (10.0K)</a>

 2 In the diagram, what is the measure of angle x? A) 30° B) 60° C) 90° D) 120° E) Not enough information is given. 3 The longest side of a certain right triangle is 10 units long. Another side is 6 units long. Which of the following represents the length of the triangle’s third side? A) √(102 + 62) B) √102 + √62 C) √102 – √62 D) √(102 – 62) E) √(10 – 62)

Question 4 refers to the following drawing and information.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_4.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"> (11.0K)</a>

Stan has a cardboard box that measures 10 inches wide by 13 inches long. He must pack cans of soup in the box that measure 3 inches in diameter. Only one layer of cans will fit in the box.

 4 If Stan packs the cans in rows, and is careful to arrange the cans so that he fits in the maximum number possible, how many cans will fit in the box? A) 3 B) 4 C) 10 D) 12 E) 4

Question 5 refers to the following drawing.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_5.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"> (11.0K)</a>

 5 A wheel is constructed with steel spokes radiating from the center to the rim, as shown. The spokes are spaced 30 degrees apart. How many spokes does it take to make one wheel? A) 6 B) 24 C) 12 D) 48 E) Not enough information is given.

Question 6 refers to the following drawing.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_6.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"> (21.0K)</a>

 6 Julio puts four boxes of the same size together for shipping. He puts two loops of heavy-duty tape around the boxes. The ends of the boxes are each 6 inches square. How many feet of tape does Julio use? A) 4 feet B) 6 feet C) 8 feet D) 24 feet E) 48 feet

Question 7 refers to the following drawing and information.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_7.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"> (7.0K)</a>

A radio antenna is constructed from three metal rods: AB, CD, and EF. A wire connects the ends of the rods at BCF and at ADE at right angles.

 7 If rod EF is 6 centimeters long, how many centimeters long is rod AB? A) 6 centimeters B) 12 centimeters C) 18 centimeters D) 24 centimeters E) Not enough information is given.

Questions 8 and 9 refer to the following information.

To find the height of a building, Oscar stuck the end of a 4 ½-foot stick 6 inches straight into the ground. He measured the shadow of the stick and found it was 1 foot long. Oscar then measured the building’s shadow and found it was 16 feet long.

 8 How many feet tall is the building? A) 32 feet B) 64 feet C) 72 feet D) 128 feet E) 256 feet 9 How many feet from the building was the stick? A) 8 B) 24 C) 192 D) 200 E) Not enough information is given.

Question 10 refers to the following drawing.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0809222329/45415/Math_9_10.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"> (15.0K)</a>

 10 A square piece of cloth is cut from a larger square as in the figure above. The corners of the smaller square are the midpoints of the sides of the larger square. How much cloth, in square centimeters, is left over? A) 16 B) 32 C) 64 D) 128 E) Not enough information if given.