Ask Question
9 March, 14:57

A cylinder has radius r and height h. a. How many times greater is the surface area of a cylinder when both dimensions are multiplied by a factor of 2? 3? 5? 10? b. Describe the pattern in part (a). How many times greater is the surface area of a cylinder when both dimensions are multiplied by a factor of 20?

+1
Answers (1)
  1. 9 March, 15:21
    0
    To find it directly

    A = 2 pi r h

    A is proportional to rh

    factor 2

    A is multiplied by 2 * 2 = 4

    factor 3

    3 * 3 = 9

    factor 5

    5 * 5 = 25

    factor 10

    10 * 10 = 100

    (b) the increase in A by factor x is x^2

    c (20) ^2 = 400
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A cylinder has radius r and height h. a. How many times greater is the surface area of a cylinder when both dimensions are multiplied by a ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers