Po A - Circles

Post-Assessment Grade – 9 Geometry © 2006 1 -2010 tutorco.com 2 marks for each Question Circles 1. State true or false : In a circle diameter is twice the radius. a) true b) false c) can't say d) incomplete information 2. If one of the angles of a triangle in a semicircle is 60 degrees, find the other two angles of the same triangle. a) 30 b) 40 c) 50 d) 60 Post-Assessment Grade – 9 Geometry © 2006 2 -2010 tutorco.com 3. Find the circumference of the circle whose is radius is 20 cm. a) 145.6 b) 125.61 c) 123.56 d) 89.32 4. Find the area of the sector of the circle whose is radius is 63 cm and sector angle is 120 degrees. a) 1458cm sq b) 4158 cm sq c) 5841 cm sq d) 5814 cm sq Post-Assessment Grade – 9 Geometry © 2006 3 -2010 tutorco.com 5. Find the area of the wheel whose is radius is 20 cm. a) 1256 cm b) 1256 cm sq c) 1263 cm sq d) 2412 cm