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    Geometry - Parallelograms and Triangles

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    Please solve. See the attached file for diagrams.

    Question 1

    The preferred seating area at the Music Theatre is the shape of a parallelogram. Its base is 34 yd and its height is 39.6 yd. Find the area.

    Question 2

    The diagonal of a small pasture measures square root 12,617 feet in length. Find the length of this diagonal to the nearest tenth of a foot. Use a calculator or a square root table when needed.

    Question 3

    A rectangular plot of land is 71 meters by 87 meters. Find the length of the diagonal. Round to the nearest tenth.

    Question 4

    A radio station sends out waves in all directions from a tower at the center of the circle of broadcast range. The broadcast range has a diameter of 196 miles. Determine how large an area is reached. Use pi ~= 3.14 and round to the nearest hundredth.

    Question 5

    Juliet runs out of gas in Barnhaven, South Carolina. She walks 9 mi west and then 5 mi south looking for a gas station. How far is she from her starting point? Round to the nearest tenth.

    Question 6

    See the above figure. Find the measure of the angle: <DGF

    Question 7

    A new pyramid has been found in South America. The pyramid has a rectangular base that measures 62 yd by 180 yd, and has a height of 100 yd. The pyramid is not hollow like the Egyptian pyramids and is composed of layer after layer of cut stone. The stone weighs 432 lb per cubic yard. How many pounds does the pyramid weigh?

    Question 8

    A dentist places a gold filling in the shape of a cylinder with a hemispherical top in a patient's tooth. The radius of the filling is 3 mm. The height of the cylindrical portion is 4 mm. If dental gold costs $16.00 per cubic millimeter, how much did the gold for the filling cost? Round to the nearest cent. Use pi ~= 3.14.

    Question 9

    A courtyard is shaped like a parallelogram. Its base is 132 yd and its height is 61 yd. Find its area.
    Solve. Round to the nearest tenth when necessary.

    Question 10

    Jack and Jill are planning a new kitchen. The old kitchen measured 12 feet by 18 feet. The new kitchen is similar in shape, but the longest dimension is 21 feet. What is the smaller dimension of the new kitchen?

    Question 11

    The above circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question: What is the ratio of money spent on rent to the total amount of the monthly budget?

    Question 12

    The above double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question: What was the difference in revenue between the third quarter of 1999 and the third quarter of 2000?

    Question 13

    The above line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. If the temperature continues to decrease by the same amount as from 5 p.m. to 6 p.m., what will the temperature be at 9 p.m.?

    Question 14

    A new car dealership has taken an inventory of the vehicles it has in stock. Above is a histogram indicating the number of vehicles in stock in certain price ranges. Use the histogram above to answer the question. What percent of the 75 vehicles in stock were priced between $21,000 and $27,999?

    Question 15

    Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data.

    142 284 557 354 315
    265 329 157 379 294
    425 498 198 297 414
    210 342 171 416 305

    A) Miles Driven
    (Class Interval) Tally Frequency
    130-264 miles ___________ ___________

    B) Miles Driven
    (Class Interval) Tally Frequency
    265-329 miles ___________ ___________

    C) Miles Driven
    (Class Interval) Tally Frequency
    330-379 miles ___________ ___________

    D) Miles Driven
    (Class Interval) Tally Frequency
    380-444 miles ___________ ___________

    E) Miles Driven
    (Class Interval) Tally Frequency
    460-474 miles ___________ ___________

    Question 16

    The grades are given for a student for a particular semester. Find the grade point average. Assume the grade point values are A = 4, B = 3, C = 2, D = 1, and F = 0. Round to the nearest tenth when necessary.

    Grade Credit Hours
    B 2
    A 3
    C 1
    B 4
    A 2

    Question 17

    The numbers of minutes Maria spent looking on the internet for gifts for her family during the last six days are as follows: 5, 8, 28, 21, 31, 46. Find the median. Round to the nearest tenth when necessary.

    Question 18

    The last seven computer games sold at the local electronics store cost $20, $ 34, $46, $ 34, $49, $ 34, $49. Find the mode.

    Question 19

    19. A.) On the morning of December 19 the temperature was -4 degrees F. The next morning the temperature had risen 20 degrees F. What was the temperature on the morning of December 20? B.) On the morning of February 2 the temperature was 14 degrees F. The next morning the temperature had dropped 20 degrees F. What was the temperature on the morning of February 3?

    Question 20

    Perform the indicated operations in the proper order: -17 - ( -2)( -6) + (- 24)/( -3)

    Question 21

    1/3 / (-4/7)(-1/6) + (-1/18)

    Question 22

    8.38 x 107 feet - 5.84 x 107 feet

    Question 23

    Write the equation without multiplication signs: C = 2 x pi x r

    Question 24

    Simplify: -7( 8x - 2y) - 5(-x + 4y)

    Question 25

    Solve: 1.3y + 4.4 = 0.8y + 4.1

    Question 26

    Translate the English sentence into an equation using the variables indicated: The ratio of brick houses to wooden houses in a particular city is 5 to 11. Let b = the number of brick houses and w = the number of wooden houses.

    Question 27

    For three days in a row, volunteers picked up trash on a particular beach. They picked up a total of 921 pounds. On the second day they collected 39 pounds more than on the first day. On the third day, they picked up 18 pounds less than on the first day. How many pounds of trash did they pick up on the first day?

    Question 28

    A rental agent for vacation houses in southern Spain earns a flat amount of base pay per month plus a 7.5% commission on rentals sold during that month. One month he earns $5575 on rental sales of $45,000. What is his base monthly pay?

    Question 29

    A poster in the shape of a triangle has one side that is five inches more the length of the shortest side, and another side that is three inches less than twice the shortest side. Find the dimensions of the poster if its perimeter is 42 inches.

    Question 30

    A triangle has three angles, R, S, and T. Angle T is 40 degrees greater than angle S. Angle R is 8 times angle S. What is the measure of each angle?

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    Solution Summary

    This is a series of geometry problems regarding parallelograms and triangles. Each question is addressed step by step in an attached Word file.