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Chinn Key Formulas
| Question | Answer |
|---|---|
| C-Circumference of a Circle | 2(pi)r or (pi)d |
| C-Circle Area | A=(pi)r^2 |
| P-Percent of | is/of = %/100 |
| P-Pi | 3.14... |
| P-Perimeter | l+w+l+w |
| R-Rectangle Area | l*w |
| S-Square Area | w*h |
| S-Surface Area of a Cube | 6a^2 |
| T-Triangle Area | A=1/2*b*h or A=b*h/2 |
| V-Volume | lwh |
| F-Fractions +/- | Common Denominators |
| F-Fractions x | Multiply Across |
| F-Fractions / | KFC and then multiply across |