Math Practice 101
Homework Explained - Math Practice 101

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


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Find the volume of each composite figure. Round to the nearest tenth if necessary.

Find the surface area of each composite figure. Round to the nearest tenth if necessary.

  • Question 5 (request help)

    Find the volume of the figure at the right in cubic feet. Round to the nearest tenth.
  • \(V_{total}=\)    \(ft^3\)
  • Question 6 (request help)

    Reason Inductively The swimming pool at the right is being filled with water. Find the number of cubic feet that it will take to  fill the swimming pool. (Hint: The area of a trapezoid is \(A = \frac{1}{2}h(b1 + b2).\)
  • \(V_{total}=\)    \(ft^3\)

Copy and Solve For Exercises 7–8, show your work on a separate piece of paper. Round to the nearest tenth.

  • Question 7 (request help)

    Find the surface area of the figure in Exercise 1.
  • \(A_{total}\approx\)    \(m^2\)
  • Question 8 (request help)

    Find the volume of the figure in Exercise 4.
  • \(V_{total}=\)    \(m^3\)

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