Area and Volume: Finding the Volume of a Cylinder
This clip explains that finding the volume of a cylinder is similar to finding the volume of a rectangular solid, but "
since a cylinder has a circle at its base instead of a rectangle
to find the volume of a cylinder, we multiply the area of a ci...
Two examples using Parentheses in Algebra
Two examples evaluating the effect of parentheses on algebraic expressions.
Multiplying Two Expressions
Multiplying the contents of two sets of parentheses demonstrates how algebra provides the tools to break the most complicated problem into simple, sequential steps.
Multiply a Binomial by a Monomial
A practical problem demonstrating multiplication of a binomial by a monomial.
Angles, Arcs and Sectors: Angles, Circles and Sectors
This clip looks at the sector, a fraction of a circle's area formed by a central angle and its arc. "We can find the area of a sector," the clips explains, "
by multiplying the ratio of the central angle to the circle by the area of the circle."