Geometry Formulas

• Triangle Area: 1/2bh
• Circle Circumference: 2πr
• rectangle area: lw
• Square formula: S^2
• Parallelogram area: bh
• trapezoid: 1/2h(b1+b2)
• Circle area: πr^2
• hexagon area: 1/2 ap
• Rect. prism SA: 2lw +2wh+2lh
• tri. prism SA: hp + 2B
• tri. prism volume: Bh
• Cylinder SA: 2πr^2 + 2πrh
• cylinder volume: πr^2h
• Pyramid SA: 1/2 lp + B
• Pyramid V: 1/3Bh
• Cone SA: πr^2 + πrl
• Cone V: 1/3πr^2h
• Sphere SA: 4πr^2
• Hemisphere SA: 3πr^2
• Hemisphere V: 2/3πr^3
• Sphere V: 4/3πr^3