Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Independent Practice  

Find the lateral area of each cone. Round to the nearest tenth.

Find the surface area of each cone. Round to the nearest tenth.

  • Question 7 (request help)

    A snow cone has a diameter of 1.9 inches and a slant height of 4.5 inches. What is the lateral area of the snow cone? Round to the nearest tenth.
  •     \(\text{in.}^{2}\)
  • Question 8 (request help)

    An active conical volcano has a radius of about 2.5 kilometers and a slant height of about 9.6 kilometers. What is the lateral area of the volcano? Round to the nearest tenth.
  •     \(\text{km}^{2}\)
  • Question 9 (request help)

    The lateral area of a cone with a diameter of 15 millimeters is about 333.5 square millimeters.

    a. Find the surface area of the cone. Round to the nearest tenth.
  •     \(\text{mm}^{2}\)
  • Question 9 (request help)

    b. What is the slant height of the cone? Round to the nearest tenth.
  •     mm

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