1) A triangle whose one angle is a right angle is called a ______ triangle. a) right-angled  b) acute-angled  c) scalene 2) Each angle of an acute-angled triangle is ______ a) more than 90 0 b) less than 180 0 c) less than 90 0 3) How many triangles are there in this figure? a) 6 b) 4 c) 5 4) State the kind of triangle. a) Scalene triangle b) Isosceles triangle c) Equilateral triangle 5) A triangle can have two right angles. a) True b) False 6) The sum of any 2 sides of a triangle is always ______ than the third side. a) greater b) less c) equal 7) The sum of the 3 angles of a triangle is 360 0 . a) true b) false 8) If the measure of one angle of a right angle is 48 0 , find the other two angles. a) 180 0 and 90 0 b) 90 0 and 42 0 c) 90  0 and 48 0 9) Identify the type of this triangle. a) Acute-angled triangle b) Right-angled triangle c) Obtuse-angled triangle 10) The Sum of two angles of a triangle is 90 0 , find the third angle. a) 90 0 b) 180 0 c) 45 0

Triangles

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