MPM1D Page 1 of 6. length, width, thickness, area, volume, flatness, infinite extent, contains infinite number of points. A part of a with endpoints.

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1 MPM1D Page 1 of 6 Unit 5 Lesson 1 (Review) Date: Review of Polygons Activity 1: Watch: OBJECT Point # of DIMENSIONS CHARACTERISTICS location, length, width, thickness, area, volume, infinite extent Line length, width, thickness, area, volume, straightness, infinite extent, contains infinite number of points Plane length, width, thickness, area, volume, flatness, infinite extent, contains infinite number of points Space length, width, thickness, volume, infinite extent, contains infinite number of points Activity 2: Complete the definitions below by filling in the blanks. Ray: Line Segment: Arc: Figure: Closed Figure: Side: Vertex: A part of a with endpoint. A part of a with endpoints. A part of a with endpoints. A geometric object made up of rays, and/or line segments, and/or arcs. A figure which has an "inside" which is completely separated from its "outside". A forming part of the perimeter of a figure. (Plural: ) A at which two of a meet. Diagonal: Bisect: Trisect: A connecting non-adjacent of a closed figure. The action of dividing an object into parts. The action of dividing an object into parts.

2 MPM1D Page 2 of 6 Polygon: A, many sided, flat figure. (or a stolen parrot) Equiangular: Describes a polygon with all of its. Equilateral: Describes a polygon with all of its of equal. Regular: Concave: Describes a polygon which is and. Describes a polygon which bends at one or more of its. This means that at least one of its measures more than. Convex: Describes a polygon which bends at every. This means that all interior angles of the polygon measure less than. Right: Describes a polygon with one or more interior angles measuring. Activity 3: Complete the tables by filling in the names of the different types of polygons and angles: # of Sides Name # of Sides Name # Size Name 1. = < < = < < = < < 360

3 MPM1D Page 3 of 6 Marking Diagrams: What symbols are used to show each of the following? Sides of equal length Angles of equal size Sides parallel to one another Activity 4: Write a definition for each term and draw diagrams in empty boxes. Scalene Isosceles Equilateral Acute Right Obtuse Question: Why are there two regions that we can t fill in?

4 MPM1D Page 4 of 6 Activity 5: In each box, give a marked diagram for the specific type of quadrilateral named. Be sure to mark all parallel sides, equal sides and equal angles! All quadrilaterals are either Some special parallelograms are All trapeziums are either AND Some special trapezoids are Some convex trapeziums are Isosceles Trapezoid Kite

5 MPM1D Page 5 of 6 Activity 6: From your work on the previous pages, give clear definitions of each of the following. Note that a good definition does not use any of the words that it is defining. Right Isosceles Triangle: Obtuse Scalene Triangle: Regular Pentagon: Equiangular Octagon: Parallelogram: Trapezoid: Concave Trapezium: Equilateral Concave Hexagon Rhombus: Equilateral Rectangle:

6 MPM1D Page 6 of 6 Activity 7: ACROSS 1. Has position, but no area or dimensions. 3. An equiangular parallelogram. 5. A prefix meaning: "six " 8. A line segment forming part of the perimeter of a figure. 9. A triangle having sides of unequal length. 12. A regular quadrilateral or an equilateral rectangle. 13. A 9-gon. 14. Having all sides of equal length. 16. Forming a 90º angle. 17. A closed figure with 12 sides. 18. A portion of a curve with 2 endpoints. 20. A polygon with many sides. 22. Measuring more than 180º. 23. Measuring less than 90º but more than 0º. 24. The points at which the sides of a figure meet. 25. Having all angles of equal size and all sides of equal length. DOWN 2. An angle that is larger than a right angle but smaller than a straight angle. 3. An equilateral parallelogram. 4. An angle measured on the inside of a figure is known as an angle. 5. The shape of Canada's dollar coin. 6. Similar to a line segment, but extending infinitely in one direction. 7. A 7 sided polygon. 10. A "corner" on the perimeter of a figure. 11. Having at least one interior reflex angle. 14. A closed plane figure with equal interior angles at each vertex is called an polygon. 15. A quadrilateral with one pair of parallel sides. 16. A 5-gon. 17. A line segment that starts and ends at a vertex, but travels through the interior of a figure. 19. The only type of interior angle found in rectangles and squares. 21. Has length, width, area, flatness, infinite extent, but no thickness.

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