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I would like help for these 3 questions

I would like help for these 3 questions-example-1
User Dushyant
by
7.4k points

1 Answer

2 votes

Answer:

1. 340

2. 358

3. 384

Explanation:

for each question you need to sum the six faces .

for example, in question 1 you have

2 faces with a surface area of

s = b × h = 5 × 8 = 40

2 faces with a surface area of

s = b × h = 10 × 8 = 80

2 faces with a surface area of

s = b × h = 10 × 5 = 50

total surface:

(2×40)+(2×80)+(2×50)

User Jonathan Hill
by
8.3k points

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