Geometry Formulas

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1. 
Area of a square
 
A=s^2
 
2. 
Perimeter of a square
 
P=4s
 
3. 
Area of a rectangle
 
A = lw
 
4. 
perimeter of a rectangle
 
p=2L +2w
 
5. 
area of a triangle
 
a=1/2bh
 
6. 
perimeter of a triangle
 
p=a+b+c
 
7. 
volume of rectangular solid
 
v=Lwh
 
8. 
surface area of a rectangular solid
 
S=2Lw+2Lh+2wh
 
9. 
area of a trapezoid
 
a=1/2 h(B + b)
 
10. 
perimeter of a trapezoid
 
p=a+b+c+B
 
11. 
volume of a sphere
 
v=4/3(pi)r^3
 
12. 
surface area of a sphere
 
s=4(pi)r^2
 
13. 
area of a parallelogram
 
a=ah
 
14. 
perimeter of a parallelogram
 
p=2a +2b
 
15. 
volume of a right circular cylinder
 
v=(pi)r^2h
 
16. 
surface area of a right circular cylinder
 
s=2(pi)r^2+2(pi)rh
 
17. 
area of a circle
 
a=(pi)r^2
 
18. 
circumference of a circle
 
c=2(pi)r = (pi)d
 
19. 
volume of a cube
 
v=s^3
 
20. 
Surface area of a cube
 
S=6s^2
 
21. 
volume of a cone
 
v=1/3 (pi)r^2h