Yefim S. answered • 10/14/20
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Surface area S = 2AΔABC + AD(AB + BC + AC) = 2·1/2·8·11 + 3·12(8 + 11 + √(64 + 121)) =
88 + 1173.653 = 1261.7 inches2
Tim D.
asked • 10/14/20Determine the surface area (Round your answers to one decimal place.)
Determine the surface area. (Round your answers to one decimal place.)
(a) ∠ABC is a right angle.
AB = 8 inches, BC = 11 inches
AD = 3 feet
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