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Geometry Review and Test Preparation Guide

Prepare for your geometry test with review questions on parallelograms, rectangles, rhombuses, squares, and points of concurrency. Practice finding angles, sides, and characteristics of polygons.

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Geometry Review and Test Preparation Guide

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  1. Math 1 March 27th What you need today in class: Pick up a calculator WARM-UP: (Copy the diagram and answer the questions) ABCD is a Rhombus. Draw the diagonals. Label the point where they intersect E. and AB = 10, DB = 12, AE = 6.5 Find Find Find . 6. Find BC. 7. Find AC. A B D C

  2. Check homework • 30 • 90 • 6 • 4 • 150 • 90 • 6 • 4 • 70.6 • 9 • 90 • 35.3

  3. pg. 11-12 PARALLELOGRAMS CHARACTERISTICS 1 – Opposite sides are ___ 2 – Opposite sides are ___ 3 – Opposite angles are __ 4 – Consecutive angles are __ 5 – Diagonals ___ each other

  4. RECTANGLE CHARACTERISTICS 1 – All angle are ____. 2 – Diagonals are ____.

  5. RHOMBUS CHARACTERISTICS 1 – All sides are ____. 2 – Diagonals are ____. 3 – Diagonals bisect ____ angles.

  6. SQUARE CHARACTERISTICS 1 – 2 – 3 – 4 – 5 –

  7. Review for Test • Find these Quizzes • Points of Concurrency • Polygons • Notes • Pages 4 – 5 • Pages 16-17 • Pages 21 and 2-page handout

  8. Review What is a point of concurrency? Match these: • Circumcenter A. Angle bisectors • Orthocenter B. Perpendicular Bisectors • Centroid C. Altitudes • Incenter D. Medians

  9. Review • Which point of concurrency is equal distance from each angle? • Which point of concurrency is equal distance from each side?

  10. Review

  11. Review • How many sides? • Pentagon • Heptagon • Dodecagon • Decagon • Hexagon

  12. Review • Sum of interior angles of a 15-gon? • Sum of exterior angles of a hexagon? • Measure of one interior angle of a 15-gon? • Measure of one exterior angle of a 14-gon? • The sum of the measures of a polygon is 1980. How many sides does the polygon have?

  13. Review • If the measure of one exterior angle of a regular polygon is 45°, then how many sides does the polygon have? • If the measure of one interior angle of a regular polygon is 150°, then how many sides does the polygon have?

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