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Martindalee
Key Formulas
Question | Answer |
---|---|
circumference of a circle | pi*di |
area of a circle | pi*r^2 |
percent of | is/of %/100 |
pi | 3.14 |
perimeter | add all sides |
rectangle area | l*w |
square area | l*w |
surface area of a cube | 6*S^2 |
triangle area | b*h/2 |
volume | l*w*h |
+/- fractions | common denominator |
X fractions | multiply straight across |
/ fractions | flip 2nd then divide |