# Geometry Formulas

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1. Ares of a Square
Bh
2. Area of a Rectangle
Bh
3. Area of a Parallelogram
Bh
4. Area of a Triangle
1/2Bh
5. Area of a Trapezoid
1/2h(b1+b2)
6. Area of a Rhombus
1/2d1d2
7. Circumference of a circle
(pi)d or 2(pi)r
8. Area of a circle
(pi)r(squared)
9. Area of regular polygon
1/2aP
10. Surface area of a right prism
• 2B+Ph
• B=Base
• P=permeter
• h=height
11. Surface area of a right cylinder
• 2B+Ch
• B=base
• C=circumference
• h=height
12. Surface area of a regular pyramid
• B+1/2Pl
• B=base
• P=perimeter
• l=lateral height
13. Surface area of a right cone
• B+1/2Cl
• B=base
• C=circumference
• l=lateral height
14. Volume of a prism
• LWH
• L=length
• W=width
• H=height
15. Volume of a cylinder
(area of the base)h
16. Volume of a pyramid
1/3(area of the base)h
17. Volume of a cone
1/3(area of the base)h
18. Surface area of a sphere
4(pi)r(squared)
19. Volume of a sphere
4/3(pi)r(cubed)
 Author: treats101 ID: 301804 Card Set: Geometry Formulas Updated: 2015-04-30 00:32:33 Tags: Geometry Folders: Description: Formulas Show Answers: