563Mathematical Symbols
is equal to
is not equal to
is less than
is greater than
is approximately
equal to
... continues without
end
% percent
0.3 0.333... (repeating
decimals)
(3, 4) ordered pair. decimal point
4 positive 4
4 negative 4
4 the absolute value
of negative 4
102 ten squared
103 ten cubed
positive square root
AB lineAB
AB segmentAB
AB ray AB
ABCangleABC
mA measure of AABC planeABC
ABC triangle ABC
is similar to
is congruent to
is parallel to
is perpendicular to
pi
cm^2 square centimeter
in.^3 cubic inch
degree
2 : 3 two to three (ratio)
P(E) probablilty of an
event_
Geometric Formulas
Perimeter
Rectangle:P2(w)
Regular Polygon: Pns
Square:P 4 s
Circumference of Circle
Cd 2 r
Area
Circle:Ar^2
Parallelogram: Abh
Rectangle:Aw
Square:As^2
Triangle: A^12 bh
Trapezoid: A^12 (b 1 +b 2 )hSurface Area
Cylinder: S 2 r^2 2 rh
Cube:S 6 e^2
Rectangular Prism:
S2(whwh)
Square Pyramid: Ss^2 4( 12 bh)
Volume
Cylinder: V(r^2 )h
Cube: Ve^3
Prism (general formula): VBh
Pyramid (general formula):V^13 Bh
Rectangular Prism: V(w)h
Triangular Prism: V( 21 bh)hOther Formulas
Celsius (°C)C^59 (F32) Fahrenheit (°F)F^95 C 32
Simple Interestprincipal rate time:Ipr t
DistanceRate Time:drt
DiscountList Price Rate of Discount: DLP RofD
Sale PriceRegular Price Discount:SPRPD
Sales TaxMarked Price Rate of Sales Tax: TMP RofT
Total CostMarked Price Sales Tax: TCMPT
CommissionTotal Sales Rate of Commission: CTS RofC8206-2_563-564 3/8/06 12:21 AM Page 563