SOLUTION: Please help me with this problem: David wants to place a fence around a semi-circular flower garden. The garden has a radius of 4m. What length of fence does he needs to buy? T

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Question 806395: Please help me with this problem:
David wants to place a fence around a semi-circular flower garden. The garden has a radius of 4m. What length of fence does he needs to buy?
Thank you.
Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
The half-circle, 2%2Api%2A4%2F2=4%2Api.
The diameter of the half-circle, 4%2B4=8.

Total fencing is the sum of those.