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7.3 B Similar Figures/Scales. Similar Figures. Figures are similar when : 1) same shape (not same size) 2) Corresponding angles are the same (matching corners) 3) Ratios of the lengths of corresponding sides are equal (are the sides divisible by the same thing?). Similar Rectangles. 12.
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Similar Figures Figures are similar when: • 1) same shape (not same size) • 2) Corresponding angles are the same (matching corners) • 3) Ratios of the lengths of corresponding sides are equal (are the sides divisible by the same thing?)
Similar Rectangles 12 A B 2 W X 18 3 Z Y D C
Similar Triangles A D C E F B
Scale Drawings • Scale drawings are used to show bigger or smaller versions of an object.
The measurements on a drawing or model are proportional to measurements of the actual object. Scale =