anonymous
  • anonymous
A rose garden is designed by joining a rectangle and a semicircle. The rectangle is 20ft long and 12ft wide. If Sam wants to build a fence around the garden, how many feet of fence are required? Use 3.14 for π, and do not round. Please help I don't know how to do this.
Mathematics
schrodinger
  • schrodinger
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Directrix
  • Directrix
Here's a diagram of the garden. Fence length has to do with perimeter so that task here is to get the sum of 3 sides of the rectangle and add that to the length of the semicircle. m|dw:1444536695994:dw|
Directrix
  • Directrix
The three rectangle sides sum to: 20 + 20 + 12 = ?
Directrix
  • Directrix
For the semicircle, circumference is 1/2 * 2 * pi * r = pi * r = 3.14 * 6.

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Directrix
  • Directrix
Your task is to add the following to get the fence length: 20 + 20 + 12 + 3.14 * 6 = Post what you get, okay? @Tpunt1125

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