Higher Engineering Mathematics

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)

13. 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)