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Mathematics 9 Online
OpenStudy (anonymous):

The net of a solid figure is shown below: Four squares are shown side by side in a row. The second square has a square above it and a square below it. All the squares have side length equal to 3 inches Which calculation will give the total surface area of the solid figure? 3 × 6 × 6 square inches 6 × 3 × 3 × 3 square inches 3 × 6 × 6 × 6 square inches 6 × 3 × 3 square inches @iGreen.

OpenStudy (anonymous):

OpenStudy (cwrw238):

this is a cube

OpenStudy (anonymous):

^^^^^ Area of a cube: \(A =6 a^2\) Where 'a' is the side, so plug it in and simplify.

OpenStudy (anonymous):

buut simplify whatt? @iGreen.

OpenStudy (anonymous):

\(A = 6a^2\) \(A = 6(3)^2\) First simplify \(3^2\)

OpenStudy (anonymous):

i sttill ddoont geettitt @iGreen.

OpenStudy (anonymous):

What's \(3^2\)?

OpenStudy (anonymous):

6? @iGreen.

OpenStudy (anonymous):

No.. \(3^2 \rightarrow 3 \times 3\)

OpenStudy (anonymous):

9 @iGreen.

OpenStudy (anonymous):

Yes, so we have: \(A = 6(9)\)

OpenStudy (anonymous):

Multiply

OpenStudy (anonymous):

6x9=54 @iGreen.

OpenStudy (anonymous):

Yes, that's our answer.

OpenStudy (anonymous):

\(A = 6(3)^2 \rightarrow 6 \times 3^2 \rightarrow 6 \times 3 \times 3\)

OpenStudy (anonymous):

uh? is it A B C or D @iGreen.

OpenStudy (anonymous):

nnvrmin i got it @iGreen.

OpenStudy (anonymous):

Yeah, I just gave it to you :P

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