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

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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  1. 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

  2. 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.

  3. 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°

  4. 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

  5. 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°

  6. 9-4 Finding Angle Measures Lesson Quiz: Part II 3.KNL = LNM; mJNM = 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°

  7. 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

  8. 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. 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

  10. 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

  11. 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

  12. 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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