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Lesson Quizzes. Preview. 9-1 Introduction to Geometry 9-2 Measuring and Classifying Angles 9-3 Angle Relationships 9-4 Finding Angle Measures 9-5 Classifying Polygons 9-6 Classifying Triangles 9-7 Angle Measures in Triangles 9-8 Classifying Quadrilaterals

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## 9-1 Introduction to Geometry 9-2 Measuring and Classifying Angles 9-3 Angle Relationships

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**Lesson Quizzes**Preview 9-1 Introduction to Geometry 9-2 Measuring and Classifying Angles 9-3 Angle Relationships 9-4 Finding Angle Measures 9-5 Classifying Polygons 9-6 Classifying Triangles 9-7 Angle Measures in Triangles 9-8 Classifying Quadrilaterals 9-9 Congruent Figures**AD, BE, CF**Possible answer: GA, GB, GC Possible answer: AG, AD, DG, BG AG GD, GB GE 9-1 Introduction to Geometry Lesson Quiz Identify the figures in the diagram. 1. lines 2. plane Possible answer: plane ABG 3. three rays 4. four line segments 5. Identify the line segments that are congruent in the figure.**9-2 Measuring and Classifying Angles**Lesson Quiz Use a protractor to draw an angle with the given measure. Tell what type of angle it is. 1. 140° 2. 20° 3. Draw a right angle. 4. Is the angle shown closer to 30° or 120°? Check student drawings; obtuse Check student drawings: acute 30°**6**7 9-3 Angle Relationships Lesson Quiz 1. Tell whether the numbered angles are vertical or adjacent. adjacent Use the diagram to tell whether the angles are complementary, supplementary, or neither. 2.AZB and BZC 3.BZC and CZD neither complementary**9-4 Finding Angle Measures**Lesson Quiz: Part I Find each unknown angle measure. 1. The angles are vertical angles. 2. The angles are supplementary. d = 130° x = 45°**9-4 Finding Angle Measures**Lesson Quiz: Part II 3.KNL = LNM; mJNM = 180° 4. Use the information in the diagram to find the unknown angle measures a, b, and c. Show your work. ̃ p = 78° a = 147°, b = 123°, c = 19°**9-5 Classifying Polygons**Lesson Quiz: Part I Determine whether each figure is a polygon. If it in not, explain why not. Name each polygon. 1.2. 3.4. yes; pentagon no; open figure yes; octagon no; curved lines**9-5 Classifying Polygons**Lesson Quiz: Part II 5. Tell whether each figure on the previous slide is a regular polygon. If it is not, explain why not. 1: No, all sides and angles are not congruent. 2, 4: No, they are not polygons. 3: yes**9-6 Classifying Triangles**Lesson Quiz Classify each triangle according to its sides or angles. 1. 7 ft, 8 ft, 12 ft 2. 45°, 90°, 45° 3. 12, 9, 12 4. 120°, 20°, 40° 5. Identify the different types of triangles in the figure, and determine how many of each there are. scalene right isosceles obtuse 1 isosceles acute triangle, 1 equilateral triangle, 1 scalene right triangle**9-7 Angle Measures in Triangles**Lesson Quiz 1. Find the unknown angle measure in the triangle. 42° x 70° 68° 2. The figure shows the legs of a picnic table. Find the unknown angle measure x. Show your work. 72° 54° 126° x**9-8 Classifying Quadrilaterals**Lesson Quiz 1. Give all the names that apply to the quadrilateral. Then give the name that best describes it. rhombus, quadrilateral, parallelogram; rhombus Draw each figure. If it is not possible to draw, explain why. 2. a quadrilateral with 4 right angles and 4 congruent sides square 3. a quadrilateral withonly one pair of parallel sides trapezoid**9-9 Congruent Figures**Lesson Quiz 1. Identify any congruent figures. none 2. Determine the missing measures in the set of congruent polygons. a = 11, b = 6, c = 110°

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