Area, Volume & Surface Area

Area, Volume & Surface Area

1. 2D

   • Areas
     • Square
       • h x w
     • Circle
       • π x r²
     • Rectangle
       • h x w
     • Triangle
       • b x h ÷2
     • Trapezium
       • (a + b) +2 x h
     • Parallelorgram
       • b x h
     • Rhombus
     • Kite
       • (diagonal 1x diagonal 2) +2
   • Diameters
     • Square
       • L x 4
     • Circle (Circumference)
       • π x d
     • Parallelogram / Rectangle
       • (h x 2) + (l x 2)

2. 3D Shapes

   • Volume
     • Cube
       • L x W x H
     • Cuboid
     • Cylinder
       • (π x r²) x H
     • Triangular prism
       • (b x h) xH
   • Surface Area
     • Cube
       • 6s²
     • Rectangular prsim
       • 2( b x H) + 2(l x b) + 2( H x l)
     • Cyclinder
       • Open
         • πr² x 2π rh
       • Closed
         • 2π r² x 2π rh
     • Triangular Prism
       • 2(b x h ÷2) + H(perimeter of Δ)
   • area of base x h

3. Other Formulae

   • Circumference (C)
     • π x diameter
   • Length (L)
     • Longest side of the shape
   • Width (W)
     • Second longest side of shape
   • Radius (R)
     • Diameter ÷2
   • Conversion formulae:
     • 1cm = 10mm
     • 1cm² = 100mm²
     • 1cm³= 100mm³
     • 1000cm³ = 1000ml = 1l
     • 1000l = 1kl = 1m³
     • 1cm³ = 1ml