Surface area and volume Surface area of a

Surface area and volume: Surface area of a cuboid Example Silent Teacher Narration Your Turn Intelligent Practice For more videos visit mrbartonmaths. com/videos

Worked Example Your turn 6 cm 10 cm 8 cm Calculate the total surface area of the cuboid. 10 cm 8 cm 6 cm Calculate the total surface area of the cuboid. @mathsmrgordon

Worked Example Your turn 6 cm 10 cm 8 cm Calculate the total surface area of the cuboid. 10 cm 8 cm 6 cm Calculate the total surface area of the cuboid. 8 x 6 = 48 cm 2 x 2 = 96 cm 2 10 x 6 = 60 cm 2 x 2 = 120 cm 2 8 x 10 = 80 cm 2 x 2 = 160 cm 2 96 + 120 + 160 = 376 cm 2 @mathsmrgordon

4 cm 5 cm 8 cm 4 cm 80 cm 5 cm 40 cm 50 cm Front and Back Right side and left side Top and bottom Total surface area 4 cm 0. 2 cm 40 cm 4 cm 250 cm 200 cm 40 cm 25 cm 20 cm 25 cm Front and Back Right face and left face Right side and left side Top and bottom Total surface area @mathsmrgordon 25 cm 2 cm

4 cm 5 cm 8 cm 4 cm 80 cm 5 cm 40 cm 50 cm Front and Back 32 cm 2 Front and Back 64 cm 2 Front and Back 8000 cm 2 Right and left 40 cm 2 Right and left 80 cm 2 Right and left 6400 cm 2 Top and bottom 40 cm 2 Top and bottom 4000 cm 2 Total surface area 112 cm 2 Total surface area 184 cm 2 Total surface area 18400 cm 2 4 cm 0. 2 cm 40 cm 4 cm 250 cm 200 cm 40 cm 25 cm 20 cm 25 cm Front and Back 40 cm 2 Front and Back 20000 cm 2 Front and Back 2000 cm 2 Right and left 1. 6 cm 2 Right and left 1600 cm 2 Top and bottom 1000 cm 2 Total surface area 51. 6 cm 2 Total surface area 21160 cm 2 Total surface area 11800 cm 2 Total surface area 4600 cm 2 @mathsmrgordon 25 cm 2 cm