2002
Mathematics
67ca00ce0c643c71d77dee1f
A bucket is 12 cm in diameter at the top, 8 cm in diameter at the bottom and 4 cm deep. Calculate its volume.
A.
304π/3 cm3
B.
144π cm3
C.
128π cm3
D.
72π cm3
Correct Answer: 304π/3 cm3
Explanation
Volume of a frustrum with top of radius R and bottom r and height h = (1/3)π( R2 + Rr + r2) V = 1/3π × 4 × (62 + 6 × 4 + 42) = 304/3πcm3
Volume of a frustrum with top of radius R and bottom r and height h = (1/3)π( R2 + Rr + r2) V = 1/3π × 4 × (62 + 6 × 4 + 42) = 304/3πcm3THIS WEEK's
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