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Math
math test
| Question | Answer |
|---|---|
| area of a rectanglr | a=l*w |
| area of a parallelogram | a=b*h |
| perimeter of a rectangle | p=2L+2w |
| circumference of a circle (radius) | c=#d or 2#r |
| area of a circle | a=#r2 |
| area of a triangle | a+1 bh 2 |
| area of a trapeezoid | a+1bh 2 (b1+b2) 2 |
| volume of a prism | v=bh |
| volume of a cylinder | v=#r2h |
| volume of a pyramid | v=1#bh 3 |
| volume of a cone | v=1#r2h 3 |
| volume of a sphere | v=4#r3 3 |
| surface area of cube or polyhedron | s=2LW+2LH+2WH |
| surface area of a cylinder | s=2#r2+2#rh |
| surface area of a sphere | s=4#r2 |