Once similarity is established, the real fun begins: using proportions to find unknown lengths. The principle is simple: ...
Corresponding sides are proportional. This implies that the ratio of the length of side DE to side AB is equal to the ratio of the length of side EF to side BC, and also equal to the ratio of the ...
When a shape is enlarged, the image is similar to the original shape. It is the same shape but a different size. These two shapes are similar as they are both rectangles but one is an enlargement of ...
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