SAT math: GEOMETRY (elite formulas)
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35 terms
Terms | Definitions |
|---|---|
 s(root3) | Diagonal of a cube with side s |
| 180(n-2) | total degrees in n-sided polygon |
| s^2(root3)/4 | area of an equilateral triangle with side s |
| 3(root3) | diagonal of a cube with side 3 |
| root3(root3)= 3 | diagonal of a cube with side root3 |
| 180(100-2)= 17640 | total degrees in 100 sided polygon |
| 180(200-2)= 35640 | total degrees in 200 sided polygon |
| 3^2(root3)/4= 9(root3)/4 | area of an equilateral triangle with side 3 |
| 2^2(root3)/4= root3 | area of an equilateral triangle with side 2 |
| x^2/2 | area of a square with a diagonal of x: |
| 1^2/2= 1/2 | area of a square with a diagonal of 1 |
| 4^2/2= 8 | area of a square with a diagonal of 4 |
| 3^2/2= 9/2 | area of a square with a diagonal of 3 |
| 2^2/2= 2 | area of a square with a diagonal of 2 |
| 4(pi)r^2 | formula for the surface area of a sphere |
| 4(pi)2^2= 16(pi) | surface area of a sphere with radius 2 |
| 4(pi)3^2= 36(pi) | surface area of a sphere with radius 3 |
| 5-12-13 | pythagorean triple beginning with 5 |
| 8-15-17 | pythagorean triple beginning with 8 |
| 7-24-25 | pythagorean triple beginning with 7 |
| 20-21-29 | pythagorean triple beginning with 20 |
| 9-40-41 | pythagorean triple beginning with 9 |
| 12-35-37 | pythagorean triple beginning with 12 |
| (d1*d2)/2 | Area of a rhombus, given diagonals d |
| (1*2)/2= 1 | area of a rhombus, given diagonals, 1 and 2 |
| (3*6)/2= 9 | area of a rhombus, given diagonals, 3 and 6 |
| h(b1+b2)/2 | area of a trapezoid, given bases b, height h |
| 4(1+2)/2= 6 | area of a trapezoid, given bases, 1 and 2, height 4 |
| 5(2+3)/2= 15 | area of a trapezoid given bases 2 and 3, height 5 |
| b*h | volume of a cylinder and prism |
| 1/3*bh | volume of a cone and pyramid |
| 4/3(pi)r^3 | volume of a sphere |
| (4/3)(pi)3^3= 36(pi) | volume of a sphere given radius 3 |
| s(root3)/2 | Height of equilateral triangle with side s |
| rhombus | parallelogram with equal sides |
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