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Math Formulas
Shape/ Type of Formula | Formula |
---|---|
area formula for a square | s^2 (the side squared) |
perimeter formula for a square | s+s+s+s or 4s |
area formula for a rectangle | lw (length times width) |
perimeter formula for a rectangle | l+l+w+w |
area formula for a triangle | 1/2bh (1/2 times base times hight) |
perimeter formula for a triangle | s+s+s |
area formula for a parallelogram | bh (base times hight) |
What do you always do first when doing area of a shaded region? | Write a plan |
area formula for a trapezoid | 1/2(b1 + b2)h |