Page 62 - MAT KS3 Y8 Cambridge CheckPoint

End-of-unit review

End-of-unit review

1 Look at the diagram and complete these sentences.
a Two vertically opposite angles are c and . . . . a°
h°
b Two corresponding angles are h and . . . . b°
g°
c Two alternate angles are g and . . . .
d Two angles that add up to 180 ° are c and . . . .

c°
f °
e° d°

2 Find the values of a, b, c and d.
Give reasons for your answers.
b° 45°
c° a°
d°

3 Read what Jake says. What are the two angles he is
thinking of? a°

c° d°
b° e° f °
The total of two of these angles is
the same as d.
g°

4 Find the values of a and b.
Give reasons for your answers.

27°
b°
82°
a°

Diagram not drawn accurately
5 Find the sizes of the angles marked a and b.
b °
Give reasons for your answers. 41°

125 ° a ° 35 °
Diagram not drawn accurately

6 Give reasons for each of these statements. g° f ° e° c° a°
a a = e b b = d b°
c g = c d f = d
d°

60 5 Angles