GED Practice

GED Math Review: Surface Area of Right Pyramids and Cones


Questions:


Directions: Write the answer to each question.

  1. what is the surface area of the square pyramid?
    • 35 ft
    • 40 ft
    • 65 ft
    • 105 ft
  2. The top of a skyscraper is shaped like a square pyramid. Each side of the base has a length of 30 meters, and the height of each triangle is 20 meters. What is the lateral area of the pyramid?
    • 600 m2
    • 1,200 m2
    • 2,400 m2
    • 3,300 m2
  3. What is the surface area of a come that has a slant height of 24 inches and a diameter of 10 inches?
    • 145π in2
    • 200π in2
    • 340π in2
    • 800π in2
  4. A cone has a surface area of 16π cm2 and the slant height is equal to 3 times the radius. What is the slant height of the cone?
    • 14π ft2
    • 24π ft2
    • 33π ft2
    • 39π ft2
Answer:

  1. 65 ft
  2. 1,200 m2
  3. 145π in2
  4. 33π ft2








Reference:


Complete Test Preparation for the GED Test 2014 by Steck-Vaughn