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Final Exam Part 1: Open Response

# Final Exam Part 1: Open Response

Unit 13: Final Exam Review

Lesson 3 of 4

Lesson 3 of 4

## Objective: Students will be able to demonstrate what they know and understand about foundational geometry ideas, constructions, and proof, on the open response portion of the final exam.

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In the first part of the final exam, which is all open response, students work through several problems that target their understanding of foundational geometry topics in novel ways. Several of the problems, like problems 4, 5, and 6, require students to synthesize several tools and geometric concepts in order to solve. Some of the problems are my own, but some have been adapted from an NCTM calendar of problems.

- Problem 1: compare the areas of circles and annuluses
- Problem 2: find the perimeter of a heptagon made by right triangles
- Problem 3: determine the number of sides of a regular polygon using angle relationships
- Problem 4: use square properties, the Pythagorean Theorem, and trigonometry to find the area of a slanted rectangle
- Problem 5: apply triangle similarity, trigonometry, proportional reasoning to solve a problem
- Problem 6: construct a regular hexagon and solve using areas of sectors
- Problem 7: prove intersecting chords in a circle create similar triangles
- Problem 8: prove a regular hexagon can be divided into a rectangle and two congruent isosceles triangles such that the rectangle’s area is two-thirds the area of the regular hexagon

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- UNIT 1: Creating Classroom Culture to Develop the Math Practices
- UNIT 2: Introducing Geometry
- UNIT 3: Transformations
- UNIT 4: Discovering and Proving Angle Relationships
- UNIT 5: Constructions
- UNIT 6: Midterm Exam Review
- UNIT 7: Discovering and Proving Triangle Properties
- UNIT 8: Discovering and Proving Polygon Properties
- UNIT 9: Discovering and Proving Circles Properties
- UNIT 10: Geometric Measurement and Dimension
- UNIT 11: The Pythagorean Theorem
- UNIT 12: Triangle Similarity and Trigonometric Ratios
- UNIT 13: Final Exam Review

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