Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Test Practice  

  • Question 24 (request help)

    The side lengths of Cube A are 3 times the side lengths of Cube B. The side lengths of Cube B are half the side lengths of Cube C. Select the correct values to complete the following statements.

    a. The surface area of Cube A is _____ times the surface area of Cube B.

    b. The volume of Cube A is _____ times the volume of Cube B.

    c. The volume of Cube B is _____ times the volume of Cube C.

    d. The surface area of Cube B is _____ times the surface area of Cube C.
  • Type below:
  • Question 25 (request help)

    The two pyramids shown are similar.

    Determine if each statement is true or false.

    a. The scale factor from the smaller pyramid to the larger pyramid is \(\cfrac{5}{3}\).

    b. The surface area of the larger pyramid is \(\cfrac{5}{3}\) times the surface area of the smaller pyramid.

    c. The volume of the larger pyramid is \(\cfrac{25}{9}\) times the volume of the smaller pyramid.
  • a.    
    b.    
    c.    

  Spiral Review  

  • Question 26 (request help)

    Julianna is making a clay figurine of a dog. The dog is 75 centimeters tall. If she uses a scale of 1 centimeter = 10 centimeters, how tall will the clay figurine be?
  •     centimeters
  • Question 27 (request help)

    The table shows the dimensions of the fields used in various sports.

    a. What is the area of the field hockey field in square feet?
  •     square feet
  • Question 27 (request help)

    b. What is the difference between the area of the soccer field and the area of the lacrosse field is square feet?
  •     square feet
  • Question 27 (request help)

    c. If an acre is 43,560 square feet, about how many acres are all four fields combined?
  • About     acres
  • Question 28 (request help)

    Find the surface area of a cylinder with a radius of 15 meters and a height of 5 meters. Round to the nearest tenth.
  •     \(\text{m}^{2}\)
  • Question 29 (request help)

    Find the surface area of a cone with a diameter of 4.5 centimeters and a slant height of 12 centimeters. Round to the nearest tenth.
  •     \(\text{cm}^{2}\)

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