PA Triangles Emerson

Post-Assessment Grade – 9 Geometry © 2006 -2010 tutorco.com 1 2 marks for each Question Triangles 1. An isosceles triangle has : a) two sides same b) all sides of different lengths c) all sides same d) two sides of different lengths 2. If two angles of a triangle are 50 degrees and 40 degrees, find the third angle. a) 90 b) 100 c) 80 d) 70 Post-Assessment Grade – 9 Geometry © 2006 -2010 tutorco.com 2 3. In a right triangle, if the two sides are 5cm and 12cm, find the length of the hypotenuse a) 13cm b) 10cm c) 5cm d) 16cm 4. Find the perimeter of the triangle whose sides are 14 cm, 6 cm and 10 cm. a) 25 b) 30 c) 35 d) 40 Post-Assessment Grade – 9 Geometry © 2006 -2010 tutorco.com 3 5. A similar triangle has: a) same shape b) same size c) same angles d) both a) and c)