SOLUTION: A rose garden is designed by joining a rectangle and a semicircle.The rectangle is 20ft long and 12ft wide. If Tammy wants to build a fence around the garden, how many feet of fenc

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Question 995677: A rose garden is designed by joining a rectangle and a semicircle.The rectangle is 20ft long and 12ft wide. If Tammy wants to build a fence around the garden, how many feet of fence are required? Use 3.14 for π,and do not round.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Too imprecise. Which dimension serves as the diameter, d, of the semicircle?

Let the dimensions be b and k for the rectangular part, and diameter d=k. The perimeter for the fencing material will be 2b%2Bk%2Bpi%28k%2F2%29%5E2
highlight%282b%2Bk%2Bpi%2Ak%5E2%2F4%29.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A rose garden is designed by joining a rectangle and a semicircle.The rectangle is 20ft long and 12ft wide. If Tammy wants to build a fence around the garden, how many feet of fence are required? Use 3.14 for π,and do not round.
If diameter of semicircle is 120 ft, then fencing would be: 2%2820%29+%2B+120+%2B+%281%2F2%29+%2A+3.14+%2A+120, or 348.4 ft
If diameter of semicircle is 20 ft, then fencing would be: 2%28120%29+%2B+20+%2B+%281%2F2%29+%2A+3.14+%2A+20, or 291.4 ft