Assign-04-H8152.tex 23/6/2006 15: 7 Page 147
ASSIGNMENT 4 147
B
h
60 °
12 cm 12 cm
Figure A4.2
portion, and (c) the area of the unshaded
area. (11)
- Determine, (a) the co-ordinates of the centre of
the circle, and (b) the radius, given the equation
x^2 +y^2 − 2 x+ 6 y+ 6 = 0 (7)