Part III. ASSESSMENT A. Directions: Write the letter of the correct answer on the space provided before each number. D. hexagon 1. A closed figure formed by three or more line segments, A. polygon B. Nonagon C. pentagon 2. A circle is a polygon. A. Always true C. Never true B. Sometimes true D. Undetermined 3. Which figure below is a polygon ? A. B. C. D. a 8 B. square 4. If a diagonal of a polygon Intersects the exterior of the polygon, what can be concluded? A. It is concave, C. It is complex B. It is convex. D. It is not a polygon, 5. How many sides does undecagon have? A. 10 B. 11 C. 12 D, 13 6. A polygon with 5 sides. A Quadrilateral C. Triangle B. Pentagon D. Undecagon 7. A polygon with minimum number of sides is A. pentagon C. triangle D. angle 8. Polygons that have no portions of their diagonals in their exteriors are called A. square B. triangles C. convex D. concave 9. All sides of a regular polygons are A. parallel B. equal in length C. not parallel D. not equal 10. All angles of a regular polygons are of A. 90° B. 60° C. equal measure D. equal length 11. How many sides does a heptagon have ? A. 2 B4 C.7 D.5 12. How many diagonals does a regular hexagon has? A 2 B. 9 C.3 D.5 13. How many sides does a decagon has? A. 8 B. 10 C.6 D. 11 14. How many vertices does a regular octagon have? A. 7 B. 8 C9 D. 10 15. Which of the following is NOT a quality of a polygon? A. It is formed by three or more line segments called sides. B. Each side intersects exactly two sides, one at each endpoint, so that no two sides with a common endpoint are collinear. C. They are always have more than four sides. D. They are two dimensional.​