Welcome to your Surface Areas and Volumes of Solid Shapes(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. The radii of the ends of a frustum of a cone 40 cm high are 38 cm and 8 cm. The slant height of the frustum of cone is: 50 cm 26.46 cm 60.96 cm 38.93 cm2. What is the surface area of the pyramid below? 324 648 216 2253. What is the surface area of the cone below? 1340.41 703.72 742.42 3446.44. Given a cylinder with a radius of 5 and a hight of seven, what is the surface area? 376.8 units squared 219.8 units squared 157 units squared 298.3 units squared5. An open cylindrical drum has a circular base of radius 1¾m. its height is 1.5m. calculate the total surface area 26m² 11m² 20m² 18m²6. Find the total Surface area of a cone with radius 3, slant height of 5. 78.5 units squared 28.26 units squared 122.46 units squared 94.2 units squared7. What is the shape of the plane face of a cylinder? Circle Square Rectangle Triangle8. What is the surface area of a rectangular prism that is 1 cm. by 2 cm. by 3 cm.? 25 sq. cm. 15 sq. cm. 22 sq. cm. 6 sq. cm.9. 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 ____________? 8 11 5 710. Volume of the cone is: 1/3 πr²h 4/3 πr³ πr²h 2/3 πr³11. The length of the longest rod that can be placed in a cuboidal room of dimensions 20 cm, 12 cm and 9 cm: 25 cm 28 cm 35 cm 32 cm12. What is the surface area of a rectangular prism that is 5 ft. by 10 ft. by 10 ft.? 500 sq. ft. 700 sq. ft. 600 sq. ft. 400 sq. ft.13. Small spheres, each of radius 2cm, are made by melting a solid iron ball of radius 6cm, then the total number of small spheres is: 9 27 81 614. If a cone is cut into two parts by a horizontal plane passing through the mid-point of the axis, then the ratio of the volumes of the small cone to that of the original cone is 1 : 16 1 : 4 1 : 2 1 : 815. The total surface area of a solid hemisphere of radius r is 3πr² 4πr² 2πr² πr²16. What is the formula for the surface area of a rectangle? All of the above Base x height 3x lbh 2x lw +2xwh + 2lh17. What is the volume of the pyramid below? 112 116.48 74.24 37.3318. What would be the side of a cube of same volume as that of cuboid of 225 m^{3}? 15 m 14.5 m 15.5 m 16.5 m19. Find the height of the cylinder if its volume and radius are 154cm^{3} and 3½cm respectively. 4 cm 1694 cm 44 cm 357 cm20. A cubical block of side 8 cm is surmounted by a hemisphere. The greatest diameter of the hemisphere is: 8 cm 12 cm 16 cm 4 cm21 out of 20Time is Up!