The simplest 2-D shape after a line, is a triangle with 3 sides. Depending on the size of the angles or length of the sides of the triangle, we have different types of triangles. Learn about the different types of triangles and practice identifying them using angle size and/or side lengths.
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There are many ways to combine functions. One of the ways is a function within another function of the composition of two or more functions. This is a little like nested functions. Learn more about the composition of functions and practice composing different functions.
The distance between a point and line is given by the shortest distance which is the perpendicular distance between the two. Learn more about what this is and how to find this distance.
Learn what the slope of a line is in the Cartesian plane, . Practice finding the slope of lines.
Practice factoring numbers.