Grade 7 & 8 math tutorial on geometry for MATHCOUNTS, Math Kangaroo, and AMC8 Preparation.
| Cube | x3 |
x is length of cube edge |
| Cuboid | xyz | x, y, z are the length of cuboid's 3 edges |
| Prism | BA × L | BA is base area, L is length |
| Cylinder | π r²h | r is radius of the end circle; h is height of cylinder |
| Sphere | (4π r3)/3 | r is radius of sphere |
Two solids are similar if and only if they are the same type of solid and their corresponding linear measures (radii, heights, base lengths, etc.) are proportional. More...
For a right triangle, square of hypotenuse equal sum of square each sides More...
Triangles are similar if they have 2 pairs of same angles. More...
