how do you figure out the area of an arch?

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how do you figure out the area of an arch?

2007-03-05 05:11:46 · 2 answers · asked by designerdeck 2 in Science & Mathematics ➔ Mathematics

2 answers

Assume the arch is a square with a semi circle on top.

Let sides of square be of length, L
L is then diameter of semi circle.

Area of semi circle = (π / 2). (L / 2) ² = π.L² / 8
Area of square = L²

Area of arch = L² + (1 / 8) π.L²
Area of arch = (1 + (1/8).π). L²

2007-03-05 06:14:40 · answer #1 · answered by Como 7 · 0⤊ 0⤋

The question is too vague to be answered. What kind of arch?

2007-03-05 05:22:54 · answer #2 · answered by physicist 4 · 0⤊ 0⤋