Scale Factor with Perimeter and Area
In this lesson, students are taught how to use dilations and factors to find the new perimeter and area of a rectangle. The teacher explains how to find the original perimeter and area of a rectangle, and then shows how to use a factor of six to determine the new perimeter and area of the same rectangle. The teacher emphasizes the importance of correctly squaring the factor and provides a visual aid to help students understand the concept.
How to use dilations and factors to find the new perimeter and area of a rectangle
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- Given the dimensions of a photo frame to be 8x12 and given a dilation factor of 3 find the value of its new perimeter and new area after dilation
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