SOLUTION: I need to make an arch that's 20 ft wide at the base and 4 ft high at the apex. How long of a piece of material will I need? Thank you in advance.

Question 773977: I need to make an arch that's 20 ft wide at the base and 4 ft high at the apex. How long of a piece of material will I need? Thank you in advance.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I need to make an arch that's 20 ft wide at the base and 4 ft high at the apex. How long of a piece of material will I need? Thank you in advance.
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It depends on the shape.
If it's 2 triangles --> 4sqrt(29) =~ 21.54 feet
If it's circular --> 26.48 feet
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If you bend something like a PVC pipe, it'll be close to circular in shape.

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