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08-05-2018
Mathematics

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find the surface area of each figure. Round your answers to the nearest tenth, if necessary

find the surface area of each figure Round your answers to the nearest tenth if necessary class=

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popalabdulqayou popalabdulqayou

10-05-2018

Let A be the surface area, b the base, h the height;

h₁=8.4 cm

h₂=7.8 cm

b= 9 cm

A= 3(1/2bh₁)+1/2 bh₂

A=3(1/2(9)(8.4))+1/2 (9)(7.8)

A= 148.5 cm³

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