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coldgirl [10]
2 years ago
13

Find the surface area of the composite solid.

Mathematics
1 answer:
natulia [17]2 years ago
4 0

Answer:

<h2>         1240.4 mm²</h2>

Step-by-step explanation:

440.4 + 5\cdot(\frac12\cdot16\cdot20)=440.4+800=1240.4\ mm^2

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