# eArea and Perimeter formulas.txt

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1. Perimeter of a Trapezoid?
P = a+b+c+d
2. Area of a Trapezoid?
A = 1/2 h (b1+b2)
3. Perimeter of a Rectangle?
P = 2a+2b
4. Area of a Rectangle?
A = b x h
5. Perimeter of a Square?
P = 4s
6. Circumference of a Circle?
C = πd
7. Area of a Circle?
A = πr2
8. Perimeter of a Regular Polygon?
P = s x n (number of sides)
9. Area of a Regular Polygon?
A = 1/2 x a x p
10. Perimeter of a Triangle?
P = a+b+c
11. Area of a Triangle?
A = b x 1/2 x h
12. Perimeter of a Rhombus?
P = 4s
13. Area of a Rhombus?
A = b x h
14. Perimeter of a Parallelogram?
P = 2a + 2b
15. Area of a Parallelogram?
A = b x h
16. Area of a Prism?
• A = LA + BA
• LA = p x h
17. Volume of a Cylinder?
• V = b x h
• (b = area of base)
18. Pi( π) =
3.14159
 Author: connika ID: 167608 Card Set: eArea and Perimeter formulas.txt Updated: 2012-08-27 04:01:06 Tags: Area Perimeter formulas Folders: Description: Area and Perimeter formulas Show Answers: