Welcome to your Surface Areas and Volumes of Solid Shapes(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. If the volume of the cube is 729 cm2, then its edge is: 7 cm 8 cm 6 cm 9 cm 2. The number of silver coins, 2 cm in diameter and of thickness 2 mm, is required to melt and form a cuboid of dimension 5 cm X 10 cm X 3 cm is: 700 coins 800 coins 750 coins 650 coins 3. What is the surface area of the pyramid below? 216 648 225 324 4. Which of the following is not a solid? Cube Cone Trapezium Prism Cylinder 5. The surface area of a cylinder is 31cm2. The surface area of a similar cylinder three times as high is 124cm² 93cm² 62cm² 34cm² 6. The length of the diagonal of a cube inscribed in a sphere of radius 10 cm is: 15 cm 10 cm 5 cm 20 cm 7. What is the volume of the pyramid below? 116.48 74.24 37.33 112 8. What is the surface area of the cone below? 703.72 1340.41 3446.4 742.42 9. What is the Volume of the prism below: 179 420 210 358 10. How many faces has a triangular prism? 6 4 5 3 11. What is the formula for the surface area of a rectangle? All of the above 2x lw +2xwh + 2lh Base x height 3x lbh 12. The volume and the curved surface area of a sphere are numerically equal, then the radius of sphere is: 0 units 3 units 1 unit 2 units 13. The total surface area of a solid hemisphere of radius r is πr² 2πr² 4πr² 3πr² 14. Find the surface area ofa pyramid with a square base legnth 10 and a slant height of 13 340 units squared 580 units squared 480 units squared 620 units squared 15. A cylinder has radius 14cm and length 10cm. find its curved surface area 220cm² 880cm² 280cm² 440cm² 1760cm² 16. If the a rectangular prism is enlarged from 2 by 3 by 4 to 10 by 15 by 20, it was enlarged by a scale factor of ____________? 7 8 11 5 17. A solid sphere of radius r cm is melted and recast into the shape of solid cone of height r. The radius of the base of the cone is: 3r R 2r 4r 18. Find the height of the cylinder if its volume and radius are 154cm3 and 3½cm respectively. 44 cm 1694 cm 357 cm 4 cm 19. What is the surface area of the rectangular prism? 358 420 179 210 20. What is the shape of the plane face of a cylinder? Rectangle Square Triangle Circle 1 out of 20 Time is Up! Time's up