H.1

Volume of Cones

Q4 · Apr–Jun

Find the volume of cones with V = ⅓πr²h (π ≈ 3.14).

Level

Medium

Level

Problems

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@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 8 Math Volume of Cones Skill H.1 \cdot Volume & surface area \cdot ★★☆ Medium \cdot Quarter 4 Name Date Score / 6 Scan for answers Use π \approx 3.14. Round to the nearest tenth. Example 4 cm r = 3 cm Volume = 37.7 cm³ Think: A cone holds a third of the cylinder around it: 3.14 \times 3^{2} \times 4 \div 3 = 37.68, about 37.7. 1 6 ft r = 6 ft Find the volume. 2 8 in d = 4 in Find the volume. 3 10 in r = 5 in Find the volume. 4 6 cm d = 14 cm Find the volume. 5 9 cm r = 3 cm Find the volume. 6 3 cm r = 3 cm Find the volume. Daniel Math Academy \cdot danielmath.com Worksheet # vzx3v4x \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key H.1 Volume of Cones \cdot ★★☆ Medium 1 226.1 ft³ 2 33.5 in³ 3 261.7 in³ 4 307.7 cm³ 5 84.8 cm³ 6 28.3 cm³ Daniel Math Academy \cdot danielmath.com Worksheet # vzx3v4x \cdot Answer Key \cdot Page 2 / 2

H. Volume & surface area6 skills