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Select the correct answer. Figure 1 is similar to figure 2. What is the height of figure 1? The picture shows two cones, figure 1 and figure 2. The radius of a figure 1 cone is x plus 1, and the height is 4x. The radius of a figure 2 cone is x, and the height is 2x A. 8 units B. 1 unit C. 2 units D. 4 units

User Flamelite
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2 Answers

6 votes

Answer:

4

Explanation:

I got a 100% on the test, also the person above me is right. :)

User Nisanth Sojan
by
8.5k points
4 votes

Answer:

  • D. 4 units

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If two figures are similar, the ratio of their corresponding sides is same.

Set up an equation and solve for x:

  • x / (x + 1) = 2x / (4x)
  • x / (x + 1) = 1/2
  • 2x = x + 1
  • x = 1

The height of figure 1 is 4x:

  • 4x = 4*1 = 4 units
User Rafon
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