D
B.
60°
co/600
E
46°
Lines AB and CD are parallel.
EF and EG are straight lines.
(a) Find the value of a.
Give a geometrical reason for your answer.
500
a =
... because
(b) Find the value of b
Give a geometrical reason for your answer.
b=
47°
because
(c) Find the value of c.
Give a geometrical reason for your answer.
C =
because
120°
b°
G
C
NOT
SCAL
​