ملحوظة : جميع وسائط الفيديو من محتوى powerpoint designs and shapes و لا يوجد لها مصادر خارجية .. Definition Triangles are similar if they have the same shape, but can be different sizes. (They are still similar even if one is rotated, or one is a mirror image of the other). Properties of Similar Triangles 1. Corresponding angles are congruent (same measure) 2. Corresponding sides are all in the same proportion. 1. First Case: AAA (angle angle angle) : If the three angles are equal in measure, certainly these two triangles are similar 2. Second Case: SAS (side angle side) : If two corresponding sides are proportional and the included angles are congruent, certainly these two triangles are similar 3. Third Case: SSS (side side side) : If the three sides are proportional, certainly these two triangles are similar
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