1.   Determine the lateral area of the cone. Round to the nearest tenth.
   
    A. 603.2 cm2 B. 1206.4 cm2
    C. 754.0 cm2 D. 1508.0 cm2
    Hint

  2.   Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.
    A. 499.4 ft2 B. 797.3 ft2
    C. 712.5 ft2 D. 572.6 ft2
    Hint

  3.   Find the surface area of the regular pyramid. Round to the nearest tenth.
   
    A. 130.5 m2 B. 387.0 m2
    C. 193.5 m2 D. 166.5 m2
    Hint

  4.   The lateral area of a regular pyramid with an octagonal base is 109.9 cm2. If the slant height is 6.7 cm, find the length of one side of the base. Round to the nearest tenth.
    A. 4.1 cm B. 32.8 cm
    C. 16.4 cm D. 2.1 cm
    Hint

  5.   Find the radius of a cone if the lateral area is 443.3 mm2 and the slant height is 14.7 mm. Round to the nearest tenth.
    A. 19.2 mm B. 9.6 mm
    C. 4.8 mm D. 6.7 mm
    Hint



Glencoe
The McGraw-Hill Companies