Solid geometry › Prisms and pyramids › Regular pentagons and prisms

Side length from heptagon area

High school · ●○○○○ 10 pts

A regular heptagon has area 78.10578.105 square cm. Find its side length in cm, using the area formula A≈3.633912444 x2A \approx 3.633912444\,x^2, where xx is the side length. Round to three decimal places.

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area of regular polygonsquadratic equationssquare roots