Circumference

Mark scheme and answers · Total marks: 47

Question 1 [1 mark]

6 cm

Mark scheme
  • A [1] — cao 6 cm

Accept algebraically equivalent correct forms.

Question 2 [1 mark]

31.4 m

Mark scheme
  • A [1] — cao 31.4 m

Accept algebraically equivalent correct forms.

Question 3 [1 mark]

6π cm

Mark scheme
  • A [1] — cao 6π cm

Accept algebraically equivalent correct forms.

Question 4 [1 mark]

25.12 m

Mark scheme
  • A [1] — cao 25.12 m

Accept algebraically equivalent correct forms.

Question 5 [1 mark]

44.0 cm

Mark scheme
  • A [1] — cao 44.0 cm

Accept algebraically equivalent correct forms.

Question 6 [1 mark]

8π cm

Mark scheme
  • A [1] — cao 8π cm

Accept algebraically equivalent correct forms.

Question 7 [1 mark]

7.5 cm

Mark scheme
  • A [1] — cao 7.5 cm

Accept algebraically equivalent correct forms.

Question 8 [1 mark]

4.77 cm

Mark scheme
  • A [1] — cao 4.77 cm

Accept algebraically equivalent correct forms.

Question 9 [1 mark]

62.8 m

Mark scheme
  • A [1] — cao 62.8 m

Accept algebraically equivalent correct forms.

Question 10 [1 mark]

5 m

Mark scheme
  • A [1] — cao 5 m

Accept algebraically equivalent correct forms.

Question 11 [1 mark]

3 m

Mark scheme
  • A [1] — cao 3 m

Accept algebraically equivalent correct forms.

Question 12 [1 mark]

8 m

Mark scheme
  • A [1] — cao 8 m

Accept algebraically equivalent correct forms.

Question 13 [2 marks]

86°

Mark scheme
  • A [2] — cao 86°

Accept algebraically equivalent correct forms.

Question 14 [2 marks]

531

Mark scheme
  • A [2] — cao 531

Accept algebraically equivalent correct forms.

Question 15 [2 marks]

7.96 cm

Mark scheme
  • A [2] — cao 7.96 cm

Accept algebraically equivalent correct forms.

Question 16 [2 marks]

12π cm

Mark scheme
  • A [2] — cao 12π cm

Accept algebraically equivalent correct forms.

Question 17 [2 marks]

1:500

Mark scheme
  • A [2] — cao 1:500

Accept algebraically equivalent correct forms.

Question 18 [2 marks]

6 cm

Mark scheme
  • A [2] — cao 6 cm

Accept algebraically equivalent correct forms.

Question 19 [2 marks]

18 minutes

Mark scheme
  • A [2] — cao 18 minutes

Accept algebraically equivalent correct forms.

Question 20 [2 marks]

7.0 cm

Mark scheme
  • A [2] — cao 7.0 cm

Accept algebraically equivalent correct forms.

Question 21 [1 mark]

28.03 cm

Mark scheme
  • A [1] — cao 28.03 cm

Accept 88 ÷ 3.14 evaluated and rounded to 2 d.p.

Question 22 [2 marks]

56 cm²

Mark scheme
  • A [2] — cao 56 cm²

Accept algebraically equivalent correct forms.

Question 23 [2 marks]

5 cm

Mark scheme
  • A [2] — cao 5 cm

Accept algebraically equivalent correct forms.

Question 24 [2 marks]

20π cm

Mark scheme
  • A [2] — cao 20π cm

Accept algebraically equivalent correct forms.

Question 25 [2 marks]

40π cm

Mark scheme
  • A [2] — cao 40π cm

Accept algebraically equivalent correct forms.

Question 26 [2 marks]

37.7 cm

Mark scheme
  • A [2] — cao 37.7 cm

Accept algebraically equivalent correct forms.

Question 27 [2 marks]

43.96 m

Mark scheme
  • A [2] — cao 43.96 m

Accept algebraically equivalent correct forms.

Question 28 [2 marks]

134.04 cm²

Mark scheme
  • A [2] — cao 134.04 cm²

Accept algebraically equivalent correct forms.

Question 29 [2 marks]

25/π m

Mark scheme
  • A [2] — cao 25/π m

Accept algebraically equivalent correct forms.

Question 30 [2 marks]

100/π m

Mark scheme
  • A [2] — cao 100/π m

Accept algebraically equivalent correct forms.

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