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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Find the total surface area of each pyramid. Round to the nearest tenth.

  • Question 5 (request help)

    A triangular pyramid has a slant height of 0.75 foot. The equilateral triangular base has a perimeter of 1.2 feet and an area of about 0.07 square foot. Find the approximate surface area.
  • \(SA\approx\)    \(ft^2\)
  • Question 6 (request help)

    The gemstone shown is a square pyramid that has a base with sides 3.4 inches long. The slant height of the pyramid is 3.8 inches. Find the surface area of the gemstone.
  • \(SA=\)    \(in^2\)
  • Question 7 (request help)

    Isaac is building a birdhouse for a class project. The birdhouse is a regular hexagonal pyramid. The base has side lengths of 3 inches and an area of about 24 square inches. The slant height is 6 inches. Find the approximate surface area of the birdhouse.
  • \(SA\approx\)    \(in^2\)

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