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irakobra [83]
2 years ago
10

Pls help

Mathematics
2 answers:
olya-2409 [2.1K]2 years ago
7 0

Answer:

The answer is 21.4

Step-by-step explanation:

area = 3(2 \times 3) + 2 ( \frac{1}{2}  \times 2 \times 1.7) \\  = 18 + 3.4 \\  = 21.4

nikklg [1K]2 years ago
3 0

Answer:

surface area = 21.4 cm^2

Step-by-step explanation:

both ends = 2x1.7x0.5x2 = 3.4

3 sides = 2x3x3 = 18

18 + 3.4 = 21.4 cm^2

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