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3D Shape Formulas (Surface Areas and Volumes)
Volume Rect. Prism
(L)(W)(H)
Volume of Cylinder
π r² h
Volume of triangular prism
(½bh) × L
Volume of Regular Polygon Prism
[½(apothem)(perimeter)]h
Volume of Cone
⅓ (πr²) h
Surface Area of Cone
πr² + πrℓ
Surface Area of Rectangular Prism
2ℓw + 2ℓh + 2wh
Surface Area of Cylinder
2πr² + πdh
Volume of square/rectangular Pyramid
⅓(Base area)(h)
Area of a regular polygon
½perimeter x apothem
Area of a triangle
½bh
Area of a circle
πr²
Surface Area of a Hexagonal Prism
2(½ap) + 6(bh)
Surface Area of a Sphere
4πr²
Surface Area of a Hemisphere
3πr²
Volume of a trapezoidal prism
[½(b1+b2)h] x L
Volume of a Triangular Pyramid
⅓(Base area)(h)
Volume of a Hemisphere
2/3πr³
Volume of a Sphere
4/3πr³
