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Formulas
Math
Question | Answer |
---|---|
Average | S/T (Average = Sum/Number of things) |
Slope intercept form | y = mx + b (where m is the slope and b is the y-intercept) |
Area of a triangle | 1/2bh (1/2 base × height) |
Pythagorean Theorem | a2 + b2 = c2 |
Perimeter of a rectangle | 2l + 2w (where l is the length and w is the width) |
Surface area of a rectangular solid | 2lw + 2wh + 2lh |
Diagonal in a rectangular solid | Apply the Pythagorean theorem twice or l2 + w2 + h2 = d2 |
Volume of a sphere | 4 / 3πr3 |
Volume of a cylinder | πr2h |
Volume of a cone | V = 1/3πr2h |
Volume of a pyramid | v+1/3 Bh |