Mathematics · Oct / Nov 2024 · Paper 41 · Question 9
0580
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The question as text
Ñ C G Ĉ ĉ Ċ ù A 17 cm 8 cm 10 cm NOT TO SCALE is a solid cuboid. AÑ ´ 10 cm, ÑC ´ 8 cm and CG ´ 17 cm.
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9(a)[1]
1360 [1]
9(b)[3]
772 [3]
M2 for [2 ×] (10 × 8 + 10 × 17 + 8 × 17) oe
or M1 for 10 × 8 oe or 10 × 17 oe or 8 × 17 oe
9(c)[4]
53 or 53.0 to 53.01 [4]
M3 for tan [GAC] = 17 oe 2 + 2 10 8
or M2 for 102 + 82 oe or for 102 + 82 + 172 oe
or M1 for recognising angle GAC is required
9(d)[4]
19[.0] or 19.02 to 19.03 [4]
M3 for 32 + 82 + 172 oe OR
B1 for QG = 2 soi or HQ = 8
M1 for (5 – 2) 2 + 82 or (5 – 2) 2 + 172
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