1) A triangle is a ........? a) Polygon with 4 sides b) Polygon with 3 sides c) Quadrilateral d) Pentagon 2) This is not a type of triangle a) Isosceles b) Equalater c) Equilateral d) Scalene 3) Identify this triangle a) Equilateral triangle b) Isosceles triangle c) Scalene triangle d) Polygon 4) Identify this triangle a) Scalene triangle b) Obtuse triangle c) Acute triangle d) Right - angled triangle 5) One of these angles is not acute a) 34 degrees b) 64 degrees c) 108 degrees d) 87 degrees 6) The total angle of a triangle is ......... a) 360 degrees b) 90 degrees c) 45 degrees d) 180 degrees 7) A triangle with no sides equal in lengths is called? a) Scalene triangle b) Acute triangles c) Obtuse triangle d) Lateral angles 8) When two lines meet at a point to form L shaped perpendicular lines, they form what angle? a) Right angle b) Obtuse angle c) Acute angle d) Reflex angle 9) 98, 109, 178 and 91 degrees are all a) Reflex angles b) Right anglea c) Obtuse angles d) Equilateral angles 10) Half of a right angle is .......... a) 50 degrees b) 45 degrees c) 60 degrees d) 90 degrees 11) How many L shaped perpendicular lines can be contained in a triangle? a) 1 b) 2 c) 3 d) 4

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