Mathematics · Oct / Nov 2023 · Paper 42 · Question 4

72 or 72.0 cao nfww [3]

M2 for x 360 ××× π 7.5=2 ×× π 1.5 2 oe x π 7.5

or M1 for 360 ××× 2 or for 2 π 1.5 ×× oe OR x 360 ×× π 7.5 =π 1.5 7.5 2 × ×

M2 for oe x 360 ×× π 7.5

or M1 for 2 or for π 1.5 7.5 × × oe

2 × 17 2 − 8 2 or 34 2 − 16 2 oe [3]

M2 M1 for 2 = 2 + d or 342 = 162 + k2 2 17 8

29.3 or 29.30 to 29.31 [4]

M3 for ( 4 [π] 17 [π] 8 × 2 × 30 3 × × 3 ) ÷ [× 100] oe OR π 8 × 2 × 30

M1 for oe 4 3 ×× π 17 3

M1 for oe

12.7 or 12.73 to 12.74 [3]

B2 for 2.26 or 2.261 to 2.262…. soi 4 2 × − × π × 6 3 ‣ 20 2

or M2 for 20 15 oe 3 4 or for 15 – × π × 6 ‣ 20 3 2 oe 3 4 2 × − ×× π 6 3

or M1 for 20 15 oe 3 4 × = ×× π 6 or 20 2 D 3 oe 3 If 0 scored,

SC1 for answer 11[.0] or 10.97 to 10.98