6. a) Given that ABC-2x + 30 and CBD-(x + 15). If the two angles are
complementary. Find
i.
The value of x
ii. The size of each angle.
(b)Find the approximate value of the expression by rounding off each number in the
expression
0.0695x19812
6.8125
to one significant figure.
7. (a)Draw a line segment PQ-5.4cm and construct its perpendicular bisector using a ruler
and a pair of compasses only.
(b)Using a ruler and a pair of compasses only, construct
i.
An angle of 75°
ii.
An angle of 225°
8. In the diagram 1//m. find x and y if x = 2y
X
m
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