almost ~ 11 th, widt he obje hey acti all are mall 3. An open topped wooden box needs to be painted on the inside and outside. The ne a outside dimensions are : length = 130 cm , width = 65 cm , and height = 50 cm. gles The inside of the box has the following dimensions : length = 128 cm , width = 63 cm , and height = 49 cm. * Draw a net , if you need help organizing the dimensions. a) Calculate the surface area of the inside and outside of the box in square centimeters. b ) b) Calculate the surface area of the inside and outside of the box in square meters.the room. Name ngth and width). whiteboards, window een urfaces to be two-dimensional, such as the surface of a desk, the cover of a book. However, we live in a three-dimensional world, ed a third dimension to describe them. For example, a box has -cally have two-dimensions or amed in the 1 dimensional? newsional. compare is a rectang 3.1B Surface Area of Prisms (part 2) s sides is a f Worksheet 4. a) Draw a net for the following triangular prism and label the dimensions. Ar 5 1 5.8 ft from a si 8 f rd into rec the sides 6 ft the pizz You car e up the is folder e units b) Calculate the surface area in square feet. c) Calculate the surface area in square yards.book. imension to descri " really have two-dimensions 5. Find the surface area of the following solid in square meters. 2 m 2 m 7 m 8 m 5 mfaces to be two-dimens' over of a book. How a third dimension 6. a) Draw a net for the following triangular prism and label the dimensions. ned in the beg 100 mm ensional? 35 mm compared a rectangu ides is a fla 80 mm 60 mm Are om as into rf side b) Calculate the surface area in square millimeters. e p ou c p t old c) Calculate the surface area in square centimeters.a nuiams (part 1) 3.2A Surface Area of Pyramids, Cylinders, Spheres, and Cones (part 1) Worksheet 1. A square based pyramid has sides measuring 10 cm and a slant height of 13 cm. a) Draw a net of the pyramid and label the dimensions. b) Calculate the surface area of the pyramid. (esout Lanstal and vine) bimaryq all to some euslave adi atpluot ) (d at the bill above 8. 1 to astamaib ni susupe of town 2. 9 in a) Draw a net of the pyramid and label the dimensions. 8.5 in b) Calculate the surface area of the pyramid 8 in 10 in 1326 em and asually consider flat surfaces ver, W of a window, and the cover he them. For exam Imost all objects need a t' h, width, and height. e objects tha hey actually Ill are 3 mall w. ine a pizza 3. A pyramid in Egypt was found to have a square base with sides measuring 70 m. The ngles). Each slant height of the pyramid was then measured to be 60 m. h. a) Calculate the height of the pyramid. mo Of gninecom esbie zord bimervq bsend meupe A . enoteromaibadf ledel brus birgetvg of to rent s WETT ( bimintyq sdi do some Sonfive ords sheluols (d cal. b) Calculate the surface area of the pyramid (only the lateral faces). 4. Calculate the surface area of a cone with a diameter of 1.8 yards and a height of 2.6 yards. Answer in square yards and then convert to square inches. Benoitusedib arb bimmpeg TO OIntro twin_dimencinne or - 2 cm 5. Gas stations often have a supply of small paper funnels that 1.5 cm customers can use to add oil to their vehicle engines. The funnel is shown in the diagram to the right. Calculate the amount of material needed to make the funnel. 11.2 cm 9.5 cm 6. A cone has a surface area of 500 square inches. If the radius of the cone is 5 inches, calculate the slant height. Calci 7. A cone has a diameter of 26 cm and a slant height of 20 cm. a) Draw a net of the cone and label the dimensions. b) Calculate the surface area of the cone. ulathe room. Name some ngth and width). whiteboards, window, paper, etc JieHa... 3.2B Surface Area of Pyramids, Cylinders, Spheres, and Cones (part 2) Worksheet 8. 20 ft a) Draw a net of the cylinder and label the dimensions. b) Calculate the surface area of the cylinder 24 ft using square feet and square yards. 9. 20 cm Determine the surface area of the sphere using square centimeters and square meters.around the room. Name some obj ample: length and width). whiteboards, window, paper, etc sore er flat s and the 10. The surface area of a sphere is 1200 in2. Calculate the radius and diameter of the sphere. ects nee height. 11. Calculate the surface area of the composite solid shown below. 2 cm 8 cm ( Holes go all the way through ) 5 cm 14 cm ATAL DEL of the I You ke up f is fol e uni 12. Calculate the surface area of the composite solid shown below. 7 in