Area / Perimeter / Surface Area / Volume

Area for Triangle

Perimeter for Triangle

Area for equilateral triangle (given angle)

½ s² sin(theta)

Area for Square

s² 

Perimeter for Square

4s

Area for Rectangle

lw

Perimeter for Rectangle

2l + 2w

Area for parallelogram

bh

Perimeter for parallelogram

2a + 2b

Area for Trapezoid

Perimeter for trapezoid

Area for Rhombus

Area for regular polygon

Area for circle

circumference of a circle

Area for a circular sector

Area for ellipse

Volume of a cube

s³

Surface area of a cube

6s²

Surface Area of a Rectangular Prism

2lw + 2lh + 2wh

Volume of Rectangular Prism

lwh

Volume of a Pyramid

Volume of a Cone

Surface area of a Cone

𝜋𝑟² + 𝜋𝑟l

Surface Area of a Cylinder

Volume of a Cylinder

Volume of a Sphere

Surface Area of a Sphere

two perpendicular corner is equal to how many sides?

two sides

Area of Spherical Cap

1/3 π h² (3R-h)