Triangles: Closer Look at Isosceles Triangles, A
This clip focuses on isosceles triangles, explaining that the equal sides are called the legs, while the remaining side is called the base. The clip notes that the base angles have the same measure, adding that, "
this feature of an isosceles trian...
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 Square
This clip explains that a square is a special kind of rectangle whose 4 sides are the same length. The clip states that the formula for finding the area of a square is: "Area equals s squared." The clip includes two practical problems.
Area and Volume: Finding the Volume of a Rectangular Solid
This clip explains that volume measures the space that an object occupies or the space within an object. The clip also states that the volume of any rectangular solid equals length times width times height. The clip includes several practical proble...
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...
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: 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...