Gcse Grade C Exam Practice Worksheet With Answer Key - Alperton Community School Page 20

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SOLUTIONS
1.
64
2.
(a)
(i)
48
(ii)
Alternate angles
(b)
(i)
30
(ii)
Corresponding angles
3.
(a)
(i)
Angle x = 63
63º
(ii)
(Corresponding angles) and reason
(b)
Angle y = 117º
4.
58°
Reason
) alternate angles
5.
(a)
(i)
110
(ii)
Corresponding angles
(b)
180 – 70 – 75
35
6.
Ben with a valid reason
, eg ‘it should be 180’ or ‘they are not supplementary (allied,
co-interior)’ oe This could be implied by 184 or 84 or 92 seen
Alperton Community School Maths Department: GCSE Grade C Exam Practice
20

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