User talk:Gmac4247

Hi!

revision proposal

Area of a circle=3.2radius²

Perimeter of a circle=6.4radius

Volume of a sphere=(√(3.2)radius)³

Volume of a cone or pyramid=(base area)height√2/4

Volume of a tetrahedron=edge³ / 8

Volume of a cone=0.8radius²height√2

Gmac4247 (talk) 08:26, 11 February 2024 (UTC)