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Answer :

Answer:

Step-by-step explanation:

So the area of a cube is a²

This means that:

2² = 4cm²

So the area of a triangle is (b*h)/2

This means that:

(3*2)/2 =

6/2 = 3cm²

4cm² + 3cm² = 7cm²

Overall area is 7cm².

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