Formula Reference Sheet
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4Formula Reference Sheet
Shape
Formulas for Area (A) and Circumference (C)
1
1
Triangle
A
bh
base
height
2
2
Rectangle
A
lw
length
width
1
1
+ b
Trapezoid
A
(b
)h
sum of bases
height
1
2
2
2
Parallelogram
A
bh
base
height
πr
π
A
2
square of radius
π
Circle
C
2πr
2
radius
πd
π
C
diameter
Figure
Formulas for Volume (V) and Surface Area (SA)
Rectangular Prism
SV
lwh
length
width
height
SA
2lw
2hw
2lh
2(length
width)
2(height
width)
2(length
height)
General
SV
Bh
area of base
height
Prisms
SA
sum of the areas of the faces
Right Circular
SV
Bh = area of base
height
Cylinder
SA
2B
Ch
(2
area of base)
(circumference
height)
1
1
SV
Bh
area of base
height
Square Pyramid
3
3
1
SA
B
Pl
2
1
area of base
(
perimeter of base
slant height)
2
1
1
Right Circular
SV
Bh
area of base
height
3
3
Cone
1
1
SA
B
Cl
area of base
(
circumference
slant height)
2
2
4
4
πr
π
3
SV
cube of radius
Sphere
3
3
π
2
SA
4πr
4
square of radius
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