happens when the pre-image and image are similar. Justify your answerġ2 Lesson 6-2 Practice and Apply. polygons that have the same shape but not necessarily the same size. Determine whether each pair of figures is similar. a = 2ĩ Lesson 6-2 Examples The two polygons are similar. TRAP ~ ZOLDĨ Lesson 6-2 Examples The two polygons are similar. not enough informationħ Lesson 6-2 Examples The two polygons are similar. Remember that geometric figures that are similar have the same shape and angles but have different sizes. not enough informationĦ Lesson 6-2 Examples Determine whether the pair of figures is similar. When there is a correspondence between two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional the two polygons are called similar polygons. triangle ABC is not similar to triangle DEF Check for Similar. Step2: Cross multiply and solve.ĥ Lesson 6-2 Examples Determine whether the pair of figures is similar. Lesson 6-2 Examples In the diagram, ∆DEF ~ ∆MNP. 1) Check for corresponding angles and sides ANGLES SIDES Yes they are ~ 2) Similarity statement 3) Scale FactorĤ In the diagram, ∆DEF ~ ∆MNP. Lesson 6-2 Examples 1) Are the polygons similar? 2) If they are, write a similarity statement 3) and give the scale factor.
Lesson 6-2 Definition D E F 15 10 20 (similar to) A B C 8 12 16 (similarity statement) Two polygons are similar if and only if Corresponding Angles are congruent Corresponding sides are proportional The ratio of Corresponding sides is called Scale Factor
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