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) 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 5) The sum of interior angles in a triangle =360 degrees T or F a) True b) False 6) The size of angle A, B and C is a) 60 degrees b) 90 degrees c) 180 degrees d) 45 degrees 7) Find the unknown angle in the triangle. a) 80° b) 50 ° c) 30° d) 60° 8) Find the unknown angle in the triangle. a) 15° b) 20° c) 25° d) 30° 9) Find the unknown angle in the triangle. a) 63° b) 64° c) 65° d) 66° 10) Find the unknown angle in the triangle. a) 34° b) 35° c) 36° d) 37°

Calculating the missing angles in a triangle

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