In the diagram, B is a point on the y-axis. A(4:3), B, C(3:0) and D(7; 6) are the vertices
of rectangle ABCD. Diagonals BD and AC are drawn. The inclination of DC is a and
BAC = theta

B
MIN
A(4;y)
e
α
0
C(3:0)
4.1
Determine the gradient of CD.
4.2
Calculate the size of a.
4.3
Determine the value of y.
4.4
Calculate the size of theta
Yo-Yc
B
D(7:6)
1