mensur_0156 [16 marks]

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Details

Topic: Mensuration (Mensuration)
Marks: 16
Tier: Extended
Style: Structured
Calculator: Not tagged yet
Status: Usable
Source: mensurationsclassified.pdf, page 25, 0580/42/M/J/10 (original Paper 4)
Import issues: None

Part	Answer	Mark	Guidance
(a)	4/3 × π × 2.4³ = 57.905… → 57.9	2	M1 for 4/3 × π × 2.4³; A1 for 57.90… seen
(b)(i)	14.4, 9.6, 4.8	3	B1 for each
(b)(ii)	664 (663.552)	1
(b)(iii)	316	1	FT their (b)(ii) − 6 × 57.9
(b)(iv)	507 (506.88)	2	M1 for 2(14.4 × 9.6 + 14.4 × 4.8 + 9.6 × 4.8)
(c)(i)	521 (521.15…)	3	B1 for height 28.8; M1 for π × 2.4² × their 28.8
(c)(ii)	174 (173.7…)	1	FT their (c)(i) − 6 × 57.9
(c)(iii)	470 (470.48…)	3	M1 for 2π × 2.4 × 28.8; M1 for 2 × π × 2.4²