Geometry
| Circle | Area = π r2 Circumference = 2 π r |
|---|---|
| Sphere | Area = 4 π r2 Volume = 4⁄3 π r3 |
| Cylinder | Curved (Lateral) Area = 2 π r l Volume = π r2 l |
| Trapezoid | Area = Average Height × Average Length = ½ ( h1 + h2 ) × ½ ( l1 + l2) |
| Circle | Area = π r2 Circumference = 2 π r |
|---|---|
| Sphere | Area = 4 π r2 Volume = 4⁄3 π r3 |
| Cylinder | Curved (Lateral) Area = 2 π r l Volume = π r2 l |
| Trapezoid | Area = Average Height × Average Length = ½ ( h1 + h2 ) × ½ ( l1 + l2) |