asked 209k views
3 votes
What is the surface area?

8 mm
10 mm
5 mm
Explain how you arrived at your answer.

What is the surface area? 8 mm 10 mm 5 mm Explain how you arrived at your answer.-example-1
asked
User Alex Po
by
8.2k points

2 Answers

5 votes

Answer:

340 mm

Explanation:

The formula of the surface area of a rectangular prism is SA=2(wl+hl+hw) where w = width, h= height, l = length. Plugging in all the values from the figure -- 2·(5·10+8·10+8·5)= 340 mm

3 votes

Answer:

400 mm

Explanation:

8 * 10 = 80

80 * 5 = 400

400 mm

answered
User Haleonj
by
8.7k points

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