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To find the surface area of the figure shown, Mia found the surface area of the two triangular prisms and the rectangular prism. From this, Mia subtracted 6 ft2. Did Mia make an error? Mia should have
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To find the surface area of the figure shown, Mia found the surface area of the two triangular prisms and the rectangular prism. From this, Mia subtracted 6 ft2. Did Mia make an error?

Mia should have subtracted 16 square feet.
Mia needs to subtract another 6 square feet.
Mia must calculate each triangle separately.
There is no error—Mia is correct.

User Adam Burke
by
7.7k points

2 Answers

3 votes

Answer:

needs to subtract another 6 ft

Explanation:

User Kazuhiro Sera
by
6.6k points
2 votes

Answer:

Mia needs to subtract another 6 square feet

Explanation:

Guessed it and got it right

User Tjarratt
by
7.5k points
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