1) < A= a) 90∘ b) 20∘ c) 40 ∘ d) 75∘ 2) <A= a) 27 degrees b) 90 degrees c) 63 degrees d) 180 degrees 3) Which type of triangle is shown here? a) Right angle triangle b) Isossceles c) Scalene d) Obtuse angle triangle e) Acute angle triangle f) equilateral triangle 4) The value of n is a) 67 degrees b) 46 degrees c) 113 degrees d) 134 degrees 5) This is an isosceles triangle where <B and <C are the same. What are their values? a) 30 degrees b) 75  degrees c) 180 degrees d) 105 degrees 6) Angle h = a) 92 degrees b) 56 degrees c) 148 degrees d) 180 degrees 7) The sum of interior angles in a triangle =360 degrees T or F a) True b) False 8) The size of the exterior angle in a triangle is equal to the sum of the 2 interior opposite angles. T or F? a) True b) False 9) The size of angle A, B and C is a) 60 degrees b) 90 degrees c) 180 degrees d) 45 degrees 10) Angles X and Y = a) Y=61 degrees, X=123 degrees b) X= 61 degrees , Y= 123 degrees c) X= 62 degrees, Y= 57 degrees d) X=57 degrees, Y=62 degrees

Calculating the missing angles in a triangle

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