pa_geometry_circles

Pre-Assessment Grade: 9-Geometry © 2006 1 -2010 tutorco.com 2 marks for each Question Circles 1. State true or false: In a circle radius is thrice the diameter. a) true b) false c) can't say d) incomplete information 2. If one of the angles of a triangle in a semicircle is 40 degrees, find the other two angles of the same triangle. a) 20 b) 100 c) 50 d) 60 Pre-Assessment Grade: 9-Geometry © 2006 2 -2010 tutorco.com 3. Find the circumference of the circle whose is radius is 10 cm. a) 62.8 b) 65.8 c) 64.3 d) 65.5 4. Find the area of the sector of the circle whose is radius is 35 cm and sector angle is 72 degrees. a) 770 cm sq b) 707 cm sq c) 77 cm sq d) 777 cm sq Pre-Assessment Grade: 9-Geometry © 2006 3 -2010 tutorco.com 5. Find the area of the wheel whose is radius is 10 cm. a) 314 cm sq b) 658 cm sq c) 143 cm d) 314 cm