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Polygons and Angles

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Polygons and Angles

  1. A triangle that has two equal sides is a:
    (a) Scalene triangle            (b) Equilateral triangle
    (c) Isosceles triangle        (d) Exterior triangle

  2. The plane with six edges as its sides is called:
    (a) Quadrilateral                (b) Hexagon
    (c) Octagon                       (d) Pentagon

  3. The type of polygon in which its all angles and sides are equal is classified as:
    (a) Regular octagon           (b) Regular hexagon
    (c) Regular pentagon         (d) Regular polygon

  4. A plane which is formed by three straight edges as its sides is called:
    (a) Quadrilateral                (b) Pentagon
    (c) Triangle                       (d) Hexagon

  5. A right-angled triangle must have:
    (a) 1 right angle             (b) 2 right angles
    (c) 3 right angles              (d) 4 right angles

  6. A plane with eight edges as its sides is classified as:
    (a) Quadrilateral               (b) Octagon
    (c) Pentagon                     (d) Hexagon

  7. The triangles can be classified on the basis of:
    (a) The number of equal sides             (b) The types of angles
    (c) Length of line segments                 (d) Both (a) and (b)

  8. The plane with five edges as its sides is called:
    (a) Octagon                  (b) Quadrilateral
    (c) Pentagon               (d) Hexagon

  9. The polygon is said to be convex polygon if none of its interior angles is:
    (a) Right angle             (b) Reflex angle
    (c) Acute angle             (d) Obtuse angle

  10. A plane with ten edges as its sides is called:
    (a) Octagon                  (b) Pentagon
    (c) Hexagon                  (d) Decagon

  11. The types of convex polygons include:
    (a) Heptagon                (b) Hexagon
    (c) Octagon                  (d) All of the above

  12. The kind of triangle which has no equal sides is called:
    (a) Exterior angle                  (b) Isosceles triangle
    (c) Equilateral triangle          (d) Scalene triangle

  13. The plane with four straight edges as its sides is called:
    (a) Quadrilateral                (b) Octagon
    (c) Hexagon                         (d) Pentagon

  14. The triangle which consists of three equal sides is classified as:
    (a) Equilateral triangle       (b) Exterior angle
    (c) Isosceles triangle             (d) Scalene triangle

  15. The acute-angled triangle must have:
    (a) 2 acute angles                (b) 3 acute angles
    (c) 4 acute angles                (d) 1 acute angle

  16. The plane figure which consists of three or more edges as its sides is called:
    (a) Equilateral polygon          (b) Polygon
    (c) Scalene triangle                (d) Isosceles triangle

  17. The plane with thirteen edges as its sides is called:
    (a) Quadrilateral                   (b) Septagon
    (c) Multigon                         (d) Tridecagon

  18. The kind of triangle which has one angle greater than 90o is called
    (a) Equilateral triangle          (b) Obtuse triangle
    (c) Exterior angle                  (d) Isosceles triangle

The writer teaches General Ability at World Times Institute.

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