Quick Math Homework Help
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Area Formula  =
Shape

# Area formulas chart

d1
d2
s
a
b
c
h
A =bh
A= 1/2d1d2
A=
s
s
s
A =bh
Use when you know the height, use above
Click on any shape in order to go to a video and more information on the shape
When height is unknown, use above
Circle
Parallelogram
Rhombus
Rectangle
Sector Arc
Square
Trapezoid
Triangle
Equilateral Triangle

## Area and Perimeter Formulas

Circumference  = 2πr
Perimeter =2(b+s)
Perimeter =4s
Perimeter =4s
Perimeter =2(b+h)
Perimeter =b1 +b2 + s1 +s2
Perimeter formula  = a + b + c
Perimeter =3s

### How to find the area of shapes.

Area Formulas Chart and Infographic

### You can access videos and informational pages for each of the plane figures above by clicking on each shape. Good luck!

Common Core Standard   6.G.1 , 7.G.6  6th Grade Math, 7th Grade Math
Click on the Area formula chart in order to download an infographic area formula chart