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Geometry 7.2 & 7.3 Practice Quiz Name_________________________________________ 1. Given ABC ~ DEF : a. Highlight with 3 different colors the corresponding sides. b. List c. 2. Find the reduced scale factor of JKL to EFG . 1. Pairs of congruent angles: A ______ B ______ the pairs of congruent angles. C ______ Write the pairs of corresponding sides in a statement of proportionality. Statement of Proportionality: 2. Scale Factor: (reduced) 3. Similar figures are the same shape, but usually a different ____________. 4. In Similar figures, the corresponding angles are _____________ and the corresponding sides are __________________________. Complete the similarity statement, find the reduced scale factor, then write proportions and solve for x and y. 5. 5. Similarity Statement : ABC ~ _______ Scale Factor: ________ y Proportion to find x: Proportion to find y: Given two similar trapezoids. Find the reduced scale factor and the reduced ratio of the perimeters. 6. x = ________ y = ________ 6. Scale Factor: Ratio of Perimeters: Are these triangles similar by the AA~ Postulate? Answer yes or no. If the triangles are similar, write a similarity statement. 7. 8. 9. 7. Similar by AA~? _______ ADE ~ _______ 8. Similar by AA~? _________ EDF ~ _______ 9. Similar by AA~? _________ WXV ~ _______ Are these triangles similar by the AA~ Postulate? Answer yes or no. 10. If the triangles are similar, find the SCALE FACTOR. 10. Similar by AA~? _________ Scale Factor: _________ Find the angle measurements and set up proportions to find all missing side lengths. Notice the triangles are similar by AA~. 11. 12. 11. m1 _____ mA _____ mD _____ x = ____ "Flipped" or "Twisted" Bow Tie? m1 _____ mA _____ mD _____ Proportion to find x: Proportion to find y: y = _____ "Flipped" or "Twisted" Bow Tie? mA _____ mTBM _____ mT _____ 12. Proportion to find x: mA _____ Proportion to find y: mTBM ___ mT _____ x = ____ y = _____