Area & volume Formulae

1. AREA AND VOLUME FORMULAS
Areas of Plane Figures
Square Rectangle Parallelogram
s
s w
l
h
b
A = s2
A = l • w A = b • h
Triangle Trapezoid Circle
h
b
h
b1
2
b
r
d
A = ½ b • h A = ½ (b1 + b2) • h A = πr2
(π ≈ 3.14 or )
Circumference: C = 2πr = πd
Volumes of Solid Figures
Cube Rectangular Solid
Tutoring and Testing Center

2. s
s
s
l
w
h
V = s3
V = l • w • h Surface Area = 2(l • w) + 2(l • h) + 2(w • h)
Prism
Triangular Prism Trapezoidal Prism
h
B
B
h
V = B • h, where B = area of base
Pyramid Cone
Rectangular Pyramid Triangular Pyramid
B
h
B
h
r
V = 1/3 B • h, where B = area of base V = 1/3 πr2
h
Cylinder Sphere

3. r
h r
V = πr2
h V = 4/3 πr3