click below
click below
Normal Size Small Size show me how
Math: Formula
Question | Answer |
---|---|
Rectangle: Perimeter | P=2b+2h or P= 2l+2w |
Square: Perimeter | P=4s |
Circumference | C=3.14d or C=2* 3.14r |
A=bh or A=lw | Rectangle: Area |
A=bh | Parallelogram: Area |
A=s2 | Square: Area |
Triangle: Area | A=1/2bh |
Trapezoid: Area | A= 1/2(b1+ b2)h |
Rhombus: Area | A=1/2d1 d2 |
A=3.14r2 | Circle: Area |
Regular polygon | A=1/2ap |