Mathematics · Oct / Nov 2024 · Paper 22 · Question 19
0580
As printed in the paper
The question as text
NOT TO SCALE 11.9 cm 4.3 cm A solid is made from a cylinder and a hemisphere, both of radius 4.3 cm. The cylinder has length 11.9 cm.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
19(a)[3]
858 or 857.7 to 857.9 [3]
1 4 × × π × 4.3 3 + π × 4.32 × 11.9 oe
M2 for 2 3 1 4 × × π × 4.3 3
or M1 for 2 3 or π × 4.32 × 11.9
19(b)[4]
496 or 495.7 to 495.8… [4]
M3 for 1 ×× π × 2 + π× 2 + 2 × π × 4.3 11.9 × 4 4.3 4.3 2 oe OR
M1 for π × 4.32 × k where k is a whole number
M1 for 2 × π × 4.3 × 11.9
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.