Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 8: Measure Figures; Lesson 7: Surface Area of Pyramids


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  • Question 20 (request help)

    An entertainment company is constructing a tent in the shape of a square pyramid, without a floor, to be used at a party. Find the number of square feet of fabric that will be required.
    • A. \(1,500 \text{ ft }^2\)
    • B \(1,700 \text{ ft} ^ 2\)
    • C \(2,250 \text{ ft} ^2\)
    • D \(2,550 \text{ ft }^2\)
  • Question 21 (request help)

    Find the surface area of the triangular pyramid shown with a base area of 27.7 square yards.
    • F \(39.3 \text{ yd }^2\)
    • G \(117.9 \text{ yd}^ 2\)
    • H \(171.7 \text{ yd}^ 2\)
    • I. \(213.5 \text{ yd}^ 2\)
  • Question 22 (request help)

    Short Response The net of a paperweight is shown to the right. What is the lateral surface area of the paperweight?
  • \(LA=\)    \(cm^2\)

Find the surface area of each prism.

  • Question 25 (request help)

    The volume of the prism shown below is 140 cubic meters. Find the height of the prism.
  • \(h=\)    \(\text{m}\)
  • Question 26 (request help)

    The volume of the prism shown below is 10,360 cubic feet. Find the width of the prism.
  • \(w=\)    \(\text{ft}\)

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