- Mark Scheme Question Answer Marks 1(a) One rectangle is an enlargement of the other oe 1 1(b) 9 2 / AO Element Notes Guidance M1 for 32 or or SF is 3 or or 1.5 × 2.5 and 4.5 × 7.5 or 2(a) 7.5 2 2(b) 12 cao 2 576 4 3 or M1 for [10] × oe M1 for oe or M1 for or M1 dep for M1 for (their cube root)2 4(a) 750 1 - Mark Scheme Question 4(b) Answer 4.7 cao Marks 3 / AO Element Notes Guidance B2 for 4.658 to 4.66 or M2 for or M1 for 11π r 2 = their (a) 4(c) 6 2 M1 for 23 or oe seen or for π × (2× their (b))2 × 22 5 6 3 M2 for oe or better M1 for or oe or oe 6 460 2 B1 for 1 cm2 : 100 km2 oe or M1 for 4.6 × 1 000 000² ÷ 100 000² oe seen 7(a) similar 1 - Mark Scheme Question 7(b) Answer 11.61 Marks / AO Element Notes Guidance 3 M2 for or M1 for or or oe 8(a) 4.79 or 4.788 to 4.789 3 M2 for oe or M1 for oe If 0 scored SC1 for answer 3.8[0…] 8(b)(i) 8.7[0] or 8.702 to 8.704 3 M2 for (300 − 230) ÷ (1.62 ) or M1 for ×1.62 × h - Mark Scheme Question 8(b)(ii) Answer 6.4 Marks 3 / AO Element Notes Guidance M2 for oe or M1 for sf or oe or for 9 80 2 M1 for or or 10 1.8 2 M1 for oe oe oe - Mark Scheme Question 11 Answer 10.3 or 10.31 to 10.32 Marks / AO Element Notes Guidance 3 M2 for oe or M1 for oe or oe or oe 12 182 or 182.4… 3 M2 for oe or M1 for ratio of lengths = or or better or for oe - Mark Scheme Question 13 Answer 21 Marks / AO Element Notes Guidance 3 M2 for oe or SC2 for answer 16.8 or M1 for or seen or M1 for a correct implicit statement for the length 14(a) 5.83 or 5.832 to 5.833 5 B2 for sector angle = 210 soi or M1 for oe M2 for oe or M1 for oe isw - Mark Scheme Question 14(b) Answer 1.21 or 1.208… Marks 3 / AO Element Notes Guidance M2 for oe or M1 for oe isw 14(c)(i) 4[.00...] 3 M2 for oe or M1 for or or for oe 14(c)(ii) 2.20704 3 M2 for 77.44 × 1.5 × 19 ÷ 1000 oe or M1 for figs 2207[04] or figs 221 seen or [vol =] 77.44 × 1.5 - Mark Scheme Question 15 Answer 12.5 or 12.50… Marks / AO Element Notes Guidance 3 M2 for oe or M1 for or seen or for oe 16 7:2 2 M1 for 17 1500 or 3 M2 for oe or M1 for oe OR M1 for ÷ 203 oe M1 for × 1003 oe or - Mark Scheme Question 18 Answer 16.6 or 16.64… Marks 5 / AO Element Notes Guidance M2 for oe or M1 for scale factor or oe soi Then Pythagoras method: and M2 for or or M1 for or OR alternative trigonometry method e.g. M1 for and M1 for [Total: 75]