Cylinders Cones T Madas Volume of a Cylinder

Cylinders & Cones © T Madas

Volume of a Cylinder © T Madas

Calculate the volume of these cylinders 40 cm V =πr 2 x h V = π x 102 x 40 V ≈ 12566 cm 3 [n. w. n. ] 22 m 5 m 10 cm V =πr 2 x h V = π x 52 x 22 V ≈ 1728 m 3[n. w. n. ] © T Madas

Calculate the volume of these cylinders 35 cm V =πr 2 x h V = π x 122 x 35 V ≈ 15834 cm 3 [n. w. n. ] 18 m 4 m 12 cm V =πr 2 x h V = π x 42 x 18 V ≈ 905 m 3[n. w. n. ] © T Madas

Calculate the volume of these cylinders 42 cm V =πr 2 x h V = π x 112 x 42 V ≈ 15966 cm 3 [n. w. n. ] 6 m 2 m 11 cm V =πr 2 x h V = π x 22 x 6 V ≈ 75 m 3[n. w. n. ] © T Madas

Surface Area of a Cylinder © T Madas

Calculate the Surface Area of these Cylinders 40 cm S = 2π r h + 2π r 2 22 m 5 m 10 cm S = 2π r h + 2π r 2 S = 2 x π x 10 x 40 + 2 x π x 102 S = 2 x π x 5 x 22 + 2 x π x 52 S ≈ 2513. 27 + 628. 32 S ≈ 691. 15 + 157. 08 S ≈ 3142 cm 2 [n. w. n. ] S ≈ 848 m 2 [n. w. n. ] © T Madas

Calculate the Surface Area of these Cylinders 38 cm S = 2π r h + 2π r 2 14 m 4 m 17 cm S = 2π r h + 2π r 2 S = 2 x π x 17 x 38 + 2 x π x 172 S = 2 x π x 4 x 14 + 2 x π x 42 S ≈ 4058. 94 + 1815. 84 S ≈ 351. 86 + 100. 53 S ≈ 5875 cm 2 [n. w. n. ] S ≈ 452 m 2 [n. w. n. ] © T Madas

Calculate the Surface Area of these Cylinders 50 cm S = 2π r h + 2π r 2 24 mm 9 mm 15 cm S = 2π r h + 2π r 2 S = 2 x π x 15 x 50 + 2 x π x 152 S = 2 x π x 9 x 24 + 2 x π x 92 S ≈ 4712. 39 + 1413. 72 S ≈ 1357. 17 + 508. 94 S ≈ 6126 cm 2 [n. w. n. ] S ≈ 1866 mm 2 [n. w. n. ] © T Madas

Volume of a Cone © T Madas

9 cm 8 cm Calculate the volume of these cones 6 cm 4 cm V= 1 3 πr h = 13 x 2 2 π x 4 x 9 ≈ 151 cm 3 V= 1 3 π r 2 h 2 = 13 x π x 6 x 8 ≈ 302 cm 3 © T Madas

14 m 19 mm Calculate the volume of these cones 4 m V= 1 3 π r 2 h 2 = 13 x π x 4 x 14 V= 1 3 9 mm π r 2 h 2 = 13 x π x 9 x 19 ≈ 1612 mm 3 ≈ 235 m 3 © T Madas

12 cm 9 cm Calculate the volume of these cones 5 cm 3 cm V= 1 3 π r 2 h 2 = 13 x π x 3 x 12 V= 1 3 π r 2 h 2 = 13 x π x 5 x 9 ≈ 236 cm 3 ≈ 113 cm 3 © T Madas

Surface Area & Volume of a Cylinder © T Madas

Calculate the volume and the surface area of this cylinder 40 cm 10 cm V =πr 2 x h V = π x 102 x 40 V ≈ 12566 cm 3 [n. w. n. ] S = 2π r h + 2π r 2 S = 2 x π x 10 x 40 + 2 x π x 102 S ≈ 2513. 27 + 628. 32 S ≈ 3142 cm 2 [n. w. n. ] © T Madas

Calculate the volume and the surface area of this cylinder 90 mm 18 mm V =πr 2 x h V = π x 182 x 90 V ≈ 91609 mm 3 [n. w. n. ] S = 2π r h + 2π r 2 S = 2 x π x 18 x 90 + 2 x π x 182 S ≈ 10178. 76 + 2035. 75 S ≈ 12215 mm 2 [n. w. n. ] © T Madas

Calculate the volume and the surface area of this cylinder 1. 5 m 1. 8 m V =πr 2 x h V = π x 1. 82 x 1. 5 V ≈ 15. 3 m 3 [1 d. p. ] S = 2π r h + 2π r 2 S = 2 x π x 1. 8 x 1. 5 + 2 x π x 1. 82 S ≈ 16. 96 + 20. 36 S ≈ 37. 3 m 2 [1 d. p. ] © T Madas

Volume of Cylinder and Cone © T Madas

Calculate the volume of these solids 9 cm 40 cm 10 cm 4 cm V =πr 2 x h V = π x 102 x 40 V ≈ 12566 cm 3 [n. w. n. ] V= 1 3 π r 2 h 2 = 13 x π x 4 x 9 ≈ 151 cm 3 © T Madas

Calculate the volume of these solids 19 mm 35 cm 12 cm 9 mm V =πr 2 x h V = π x 122 x 35 V ≈ 15834 cm 3 [n. w. n. ] V= 1 3 π r 2 h 2 = 13 x π x 9 x 19 ≈ 1612 mm 3 © T Madas

Calculate the volume of these solids 14 m 42 cm 11 cm 4 m V =πr 2 x h V = π x 112 x 42 V ≈ 15966 cm 3 [n. w. n. ] V= 1 3 π r 2 h 2 = 13 x π x 4 x 14 ≈ 235 m 3 © T Madas

© T Madas