by Jennifer Boxmeyer 8 years ago
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Volume is the measure of the amount of space that is inside of a three dimensional shape.
Volume of a Sphere
V = 4/3 Pi r3
Volume of a cone
V = 1/3Bh
Volume of a Pyramid
V = 1/3Bh
Volume of a Cylinder is base x height
V = Bh
Volume = length x width x height
V = lwh
F boiling point minus F freezing point divided by C boiling point minus C freezing point
212 - 32 / 100 - 0 = 1.8 or 9/5
Celsius to Fahrenheit
F = 1.8C + 32
F boiling point minus F freezing point divided by C boiling point minus C freezing point
212 - 32 / 100 - 0 = 1.8 or 9/5
Fahrenheit to Celsius
C = 5/9 (F-32)
Surface area measures total area of the surface of a three dimensional shape.
Surface area of a sphere
S = 4Pi r squared
Surface area of cones
SA = Pi r squared + Pi rs
Surface area of pyramids
SA = B + 1/2ps
Surface area of cylinders
SA = 2B + ph
B = area of base
p = perimeter of the base
h= height
Surface area of prisms
SA = 2B + ph
B = area of base
p = perimeter of the base
h= height
The perimeter of a circle is called circumference.
The diameter is the distance across a circle throuht the center.
The radius of a circle is the distance form the center of a circle.
The ratio of a circle's circumference to its diameter is called Pi. Pi = 3.14159.
Circumference = 2 times Pi times radius
C = 2 x Pi x r
Area of a Circle = Pi times the Radius squared
A = Pi x r x r
The perimeter is the distance around a shape.
You will add the lenghs of all sides together.
The area is the size of a surface within a perimeter.
Triangles
To find the the area if a triangle you will multiply the base by the height and then divide by 2 (since a triangle is half of a parallelogram)
Area of a Triangle =
1/2 x Base x Height or Base x Height / 2
A = 1/2bh or A = bh / 2
Trapezoids
Area of a Trapezoid = 1/2 (Base a + Base b) x Height
A = 1/2 (a + b)h
Parallelograms
Area of a Parallelogram = Base times Height
A = bh
Rectangles
Area of a Rectangle = Length times Width
A = lw
