Area and Volume: Finding the Area of a Rectangle
This clip explains what a rectangle is and how to determine its area. "The formula is easy to remember," the clip states. "The area of a rectangle is equal to the length times the width." Three practical problems follow that are solved by utilizing ...
Area and Volume: Finding the Area of a Parallelogram or a Triangle
This clip explains that finding the area of a parallelogram is much like finding the area of a rectangle. "The area of a parallelogram equals the base times the height," the clip states. The clip further notes that, "
if we cut a parallelogram in h...
Area and Volume: Finding the Area of an Irregular Polygon
This clip explains how to find the area of an irregular polygon that contains a right triangle and rectangle. "To solve the problem," the clips states, "
we'll find the area of the triangle, find the area of the rectangle, then we'll add both areas...
Area and Volume: Introduction to Area and Volume
This clip briefly introduces area and volume. "Area measures the surface of things that are flat," the clip explains, "such as the area of a rug. Volume measures things that occupy space, such as the volume of a freezer."
Perimeter: Finding the Perimeter When Sides Are Measured in Different Units
This clip explains that, when the sides of a polygon are stated in different units, it's necessary to convert so that they are expressed in the same units. Once this is done, the sides can be added up and the perimeter determined. The clip includes ...
Perimeter: Perimeter, Equilateral Polygons and Rectangles
This clip explains that we can measure the perimeter of an equilateral polygon by multiplying the length of one side by the number of sides in the polygon. The clip also notes that the formula for measuring the perimeter of a rectangle is "perimeter...
Perimeter: Perimeter and Irregular Polygons
This clip explains that, "
we can find the perimeter of any polygon by adding the lengths of all sides." The clip includes practical problems and examples which demonstrate how this is done.
Perimeter: Summary: Perimeter
This clip summarizes how to find the perimeter of several kinds of polygons. It explains the difference between irregular and equilateral polygons, and also explores the parts of a circle and how, in conjunction with pi, they can be used to find the...
Perimeter: Introduction to Perimeter
This clip introduces the term "perimeter," which it explains "...refers to the distance around a polygon." The clip references some of the more common polygons, including triangles, pentagons, hexagons and octagons. The clip also distinguishes betwe...