9.In the figure below,V W ∥ZX, as labelled. Furthermore, the following lengths and angles are given:
V W = 12;ZX= 6;XY=5,5;Y Z= 5andV^= 59◦. The figure is drawn to scale. Determine the
length ofW Y.
W 5,5 Y
59 ◦
12
V
5
X
Z
6
10.In the figure below,V W ∥ZX, as labelled. Furthermore, the following lengths and angles are given:
V W = 4;ZX= 2;W X= 4;Y Z=3,5 andY^ = 30◦. The figure is drawn to scale. Determine the
length ofXY.
W 4 Y
30 ◦
V
2,5
4
X
Z
2
11.Findxandyin the following:
a)
x
7
b)
7
x
c)
x
8
6
266 7.4. The mid-point theorem