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19 May, 19:23

7. A figure has a perimeter of 12 units. Which

describes the perimeter of the figure after a

dilation with a scale factor of 4?

a. 3 units

b. 24 units

c. 48 units

d. 192 units

+1
Answers (1)
  1. 19 May, 21:08
    0
    Option C

    The perimeter of the figure after a dilation with a scale factor of 4 is 48 units

    Solution:

    Given that figure has a perimeter of 12 units

    To find: perimeter of the figure after a dilation with a scale factor of 4

    A scale factor is simply a number that multiplies the dimensions of a shape

    If the scale factor is four, then the perimeter of the new object will be four times the original perimeter

    Here given that scale factor is 4

    Therefore,

    Perimeter after dilation = 4 times original perimeter

    Perimeter after dilation = 4 x 12 = 48 units

    Thus Option C is correct
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