Hi there!
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I believe your answer is:
15cm²
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Here’s why:
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[tex]\boxed{\text{Area of a rectangle is:}}\\\\A = l * w\\----------------\\\rightarrow L = 5; w = 3\\\\\rightarrow A = 5 * 3\\\\\rightarrow A = \boxed{15cm^2}[/tex]
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Hope this helps you. I apologize if it’s incorrect.
