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Mathematics · May / June 2022 · Paper 21 · Question 17

0580

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The question as text

Find the radius of a hemisphere of volume . cm 80 3 [The volume, V, of a sphere with radius r is . V r 3 4 3 r = ] cm [3]

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3.37 or 3.367 to 3.368 [3]

M2 for isolating 120 = 3r , e.g. r 3 π 1 4 × × π =

or M1 for r 3 80 oe 2 3 If 0 scored

SC1 for answer 2.67 or 2.672 to 2.673...

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