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Mathematics in given area and circles formulas, volume formulas and right triangles.
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1 pound = 16 ounces 1 pound ≈ 0.454 kilogram 1 kilogram ≈ 2.2 pounds 1 ton = 2000 pounds
1 inch = 2.54 centimeters 1 meter ≈ 39.37 inches 1 mile = 5280 feet 1 mile = 1760 yards 1 mile ≈ 1.609 kilometers 1 kilometer ≈ 0.62 mile
1 cup = 8 fluid ounces 1 pint = 2 cups 1 quart = 2 pints 1 gallon = 4 quarts 1 gallon ≈ 3.785 liters 1 liter ≈ 0.264 gallon 1 liter = 1000 cubic centimeters
AREA ( A ) FORMULAS
square........... A = s^2
rectangle......... A = lw
parallelogram...... A = bh
circle............ A = π r^2
triangle.......... A = 12 bh
trapezoid......... A = 12 h ( b 1 + b 2 )
Pythagorean Theorem
Trigonometric Ratios
pi............. π ≈ 3.
area........... A = π r^2
circumference.... C = 2π r OR C = π d
a^2 + b^2 = c^2 TOTAL SURFACE AREA ( SA ) FORMULAS
cube............... SA = 6 s^2
right rectangular prism.. SA = 2( lw ) + 2( hw ) + 2( lh )
cube............ V = s^3 ( s = length of an edge)
prism............ V = Bh
cylinder.......... V = π r^2 h
sphere........... V =
cone............ V =
pyramid.......... V =
(^43) π r 3
(^13) π r^2 h
(^13) Bh
sin ac
cos bc tan
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x^ 45°
x
x 2
45°
y
2 y
y 3