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Bell Work Find the surface area of each figure. 13 x 23 = 299 cm² 10 x 23 = 230 cm² ( ½ )(10)(12) = 60 cm² Add them up! SA = 299 + 299 + 230 + 60 +60 SA = 948 cm². 6 x 4 = 24 in² 3 x 4 = 12 in² 6 x 3= 18 in² Add them up! SA = 24 + 24 + 12 + 12+ 18 + 18 SA = 108 in².
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Bell WorkFind the surface area of each figure. 13 x 23 = 299 cm² 10 x 23 = 230 cm² ( ½ )(10)(12) = 60 cm² Add them up! SA = 299 + 299 + 230 + 60 +60 SA = 948 cm² 6 x 4 = 24 in² 3 x 4 = 12 in² 6 x 3= 18 in² Add them up! SA = 24 + 24 + 12 + 12+ 18 + 18 SA = 108 in²
Video on finding the surface area of a triangular prism using nets