<p>Grade 7 Chapter 9</p><p>Multiple Choice Identify the choice that best completes the statement or answers the question.</p><p>____ 1. Find the measure of AEB for mBEC = 127 .</p><p>B</p><p>127o A C E</p><p>D</p><p> a. 127 b. 254 c. 106 d. 53</p><p>____ 2. Find the measure of AED for mBEC = 96 . B</p><p>96 o A C E</p><p>D a. 84 b. 168 c. 192 d. 96</p><p>____ 3. In the figure, . Find the measure of .</p><p>B D</p><p>50o E G</p><p>A</p><p>C</p><p> a. 40 b. 110 c. 50 d. 90 ____ 4. Classify the triangle with sides of length 6 inches, 8 inches, and 3 inches. a. equilateral b. isosceles c. straight d. scalene ____ 5. Classify the triangle with angles measuring 113 , 47 , and 20 . a. right b. straight c. obtuse d. acute Name all the quadrilaterals that have the given property.</p><p>____ 6. two pairs of parallel sides and all angles congruent a. trapezoid c. rhombus, square b. rectangle, square d. rhombus ____ 7. four 90 angles a. rectangle, square c. rhombus, square b. parallelogram d. rhombus ____ 8. four congruent sides and four congruent angles a. rectangle, square c. rhombus, square b. rhombus d. square ____ 9. David designs floor tiles. His latest design is shaped as a regular pentagon. Write a formula for the perimeter of the tile in terms of the length of a side. Evaluate the formula for the side length of 3 inches. a. P = 5s; 15 inches c. P = 5 + s; 9 inches b. P = 5 + s; 8 inches d. P = 5s; 18 inches</p><p>In the figures, . A Z</p><p>C D X Y</p><p>____ 10. Name the congruent angles. a. c. b. d. ____ 11. Name the congruent sides. a. c. b. d.</p><p>____ 12. If CD = 26 mm, what is XY? a. 28 mm b. 25 mm c. 4 mm d. 26 mm</p><p>Write a congruence statement for the pair of triangles.</p><p>M O</p><p>____ 13. o o o o 55 60 55 60 F 5 cm Z N 5 cm P a. by ASA c. by SAS b. by SAS d. by ASA B R</p><p>____ 14. 5 ft 5.5 ft 5 ft 5.5 ft</p><p>Z Y O W 3 ft 3 ft a. by SAS c. by SSS b. by SSS d. by SAS ____ 15. The diagram shows the dimensions of a triangular garden at the park. If another triangular garden spot is congruent to this triangle, what is the perimeter of the other garden?</p><p>28 ft 43 ft</p><p>17 ft</p><p>Diagram not to scale.</p><p> a. 84 feet b. 51 feet c. 88 feet d. 129 feet</p><p>Find the circumference of the circle. Use  3.14.</p><p>7 cm ____ 16.</p><p> a. 21.98 cm b. 38 cm c. 7 cm d. 3.5 cm</p><p>3 m ____ 17.</p><p> a. 3 m b. 18.84 m c. 6 m d. 28.26 m</p><p>____ 18. Write a rule to describe the translation of to . y</p><p>8</p><p>A 4</p><p>A'</p><p>–8 –4 4 8 x B –4 C B' –8 C'</p><p> a. c. b. d.</p><p>____ 19. How many lines of symmetry does the figure have?</p><p> a. 0 b. 1 c. 2 d. 4 ____ 20. State whether the figure has rotational symmetry. If so, what is the angle of rotation? Round your answer to the nearest tenth of a degree, if necessary.</p><p> a. yes; 45 b. yes; 11.3 c. yes; 22.5 d. no Grade 7 Chapter 9 Answer Section</p><p>MULTIPLE CHOICE</p><p>1. ANS: D PTS: 1 DIF: L2 REF: 9-2 Angle Relationships and Parallel Lines OBJ: 9-2.1 Adjacent and Vertical Angles STA: CA 7.MG.3.1 TOP: 9-2 Example 1 KEY: adjacent angles | supplementary angles | measure of an angle 2. ANS: D PTS: 1 DIF: L2 REF: 9-2 Angle Relationships and Parallel Lines OBJ: 9-2.1 Adjacent and Vertical Angles STA: CA 7.MG.3.1 TOP: 9-2 Example 1 KEY: adjacent angles | supplementary angles | measure of an angle 3. ANS: C PTS: 1 DIF: L3 REF: 9-2 Angle Relationships and Parallel Lines OBJ: 9-2.2 Relating Angles and Parallel Lines STA: CA 7.MG.3.1 TOP: 9-2 Example 2 KEY: adjacent angles | alternate interior angles | congruent angles | corresponding angles | measure of an angle | parallel lines | vertical angles 4. ANS: D PTS: 1 DIF: L3 REF: 9-3 Classifying Polygons OBJ: 9-3.1 Classifying Triangles STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 1 KEY: classifying triangles | scalene triangle 5. ANS: C PTS: 1 DIF: L3 REF: 9-3 Classifying Polygons OBJ: 9-3.1 Classifying Triangles STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 1 KEY: classifying triangles | obtuse triangle 6. ANS: B PTS: 1 DIF: L2 REF: 9-3 Classifying Polygons OBJ: 9-3.2 Classifying Quadrilaterals STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 2 KEY: classifying polygons | rectangle | square 7. ANS: A PTS: 1 DIF: L2 REF: 9-3 Classifying Polygons OBJ: 9-3.2 Classifying Quadrilaterals STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 2 KEY: classifying polygons | rectangle | square 8. ANS: D PTS: 1 DIF: L2 REF: 9-3 Classifying Polygons OBJ: 9-3.2 Classifying Quadrilaterals STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 2 KEY: classifying polygons | square 9. ANS: A PTS: 1 DIF: L2 REF: 9-3 Classifying Polygons OBJ: 9-3.2 Classifying Quadrilaterals STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-3 Example 3 KEY: formula | perimeter | quadrilateral | problem solving | word problem | regular polygon 10. ANS: C PTS: 1 DIF: L2 REF: 9-5 Congruence OBJ: 9-5.1 Identifying Corresponding Parts STA: CA 7.MG.3.4 TOP: 9-5 Example 1 KEY: congruent figures | corresponding parts | corresponding angles | congruent angles 11. ANS: B PTS: 1 DIF: L2 REF: 9-5 Congruence OBJ: 9-5.1 Identifying Corresponding Parts STA: CA 7.MG.3.4 TOP: 9-5 Example 1 KEY: congruent figures | corresponding parts | corresponding sides | congruent sides 12. ANS: D PTS: 1 DIF: L2 REF: 9-5 Congruence OBJ: 9-5.1 Identifying Corresponding Parts STA: CA 7.MG.3.4 TOP: 9-5 Example 1 KEY: congruent figures | corresponding sides | congruent sides 13. ANS: A PTS: 1 DIF: L2 REF: 9-5 Congruence OBJ: 9-5.2 Identifying Congruent Triangles STA: CA 7.MG.3.4 TOP: 9-5 Example 2 KEY: congruent angles | congruent figures | congruent sides | corresponding angles | corresponding parts | corresponding sides | ASA congruence 14. ANS: C PTS: 1 DIF: L2 REF: 9-5 Congruence OBJ: 9-5.2 Identifying Congruent Triangles STA: CA 7.MG.3.4 TOP: 9-5 Example 2 KEY: congruent angles | congruent figures | congruent sides | corresponding angles | corresponding parts | corresponding sides | SSS congruence 15. ANS: C PTS: 1 DIF: L3 REF: 9-5 Congruence OBJ: 9-5.2 Identifying Congruent Triangles STA: CA 7.MG.3.4 KEY: congruent figures | perimeter | problem solving | 16. ANS: A PTS: 1 DIF: L2 REF: 9-6 Circles OBJ: 9-6.1 Finding Circumference STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-6 Example 1 KEY: circle | circumference | diameter 17. ANS: B PTS: 1 DIF: L2 REF: 9-6 Circles OBJ: 9-6.1 Finding Circumference STA: CA 7.MG.2.1 | CA 7.MG.3.1 TOP: 9-6 Example 1 KEY: circle | circumference | radius 18. ANS: B PTS: 1 DIF: L2 REF: 9-8 Translations OBJ: 9-8.2 Describing Translations STA: CA 7.MG.3.2 | CA 7.MG.3.4 TOP: 9-8 Example 3 KEY: prime notation | transformation | translation 19. ANS: A PTS: 1 DIF: L2 REF: 9-9 Symmetry and Reflections OBJ: 9-9.1 Identifying Lines of Symmetry STA: CA 7.MG.3.2 | CA 7.MG.3.4 TOP: 9-9 Example 1 KEY: reflectional symmetry | line of symmetry 20. ANS: A PTS: 1 DIF: L2 REF: 9-10 Rotations OBJ: 9-10.2 Identifying Rotational Symmetry STA: CA 7.MG.3.4 TOP: 9-10 Example 2 KEY: angle of rotation | rotational symmetry</p>