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bearhunter [10]
4 years ago
15

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

Mathematics
1 answer:
Inga [223]4 years ago
5 0
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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