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5.3 Solving angle problems
7 A regular hexagon and a regular pentagon have a common edge.
Work out the value of a.
a°
8 This shape is a kite. 2a°
Calculate the value of a.
a° a°
a°
9 XYZV is a straight line. W
Calculate the values of a, b and c.
a° b°
33° c°
X Y Z V
10 ABCD is a trapezium. A B
AB and DC are parallel sides. a° b°
a Show that a + d = 180.
b Show that b + c = 180.
d° c°
D C
5 Shapes 47
