Math Form

 

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area of a rectangle

Rectangle                                                                                                                                                                 Area Of Rectangles Video
Area of Rectangles
Area = Length X Width
A = lw

Perimeter = 2 X Lengths + 2 X
Widths                                                                                             Video
P = 2(l + w)                                                                                 Area of Rectangles


area of a parallelogram

Parallelogram
Area = Base X Height
a = bh                                                                Video

                                                                         Area of a parallelogram


formula for triangle

trapezoid formula
 

Circle

parts of a circle

Triangle
Area = 1/2 of the base X the height
a = 1/2 bh
Perimeter = a + b + c                                                           Video        
(add the length of the three sides)                           Area of a Triangles


Trapezoid
                                                Area of Trapezoid
Perimeter = a + b1 + b2 + c
P = a + b1 + b2 + c

 


The distance around the circle is a circumference. The
distance across the circle is the diameter (d). The radius
(r) is the distance from the center to a point on the circle. 
(Pi = 3.14)                                                                                                                   

Area of a circle
Circumference of a circle
Diameter of a circle
Radius of a circle


rectangular solid
prisms
 
cylinder formula
formula for pyramid
 
formula of a cone
 
formula for sphere

Rectangular Solid( Rectangular prism)Volume = Length X Width X HeightV = lwhSurface area = 2lw + 2lh + 2wh

 

Prisms
Volume = Base X Height
v=bh
Surface = 2b + Ph (b is the
area of the base P is the
perimeter of the base)

 

pi x square of the radius x height

 

Pyramid
V = 1/3 bh (1/3 x area of the base x height

b is the area of the base
Surface Area: Add the area of the base to the
sum of the areas of all of the triangular faces.
The areas of the triangular faces will have
different formulas for different shaped bases

Cones
Volume = 1/3 pr2 x height
V= 1/3 pr2h
Surface = pr2 + prs
S = pr2 + prs

 

Sphere