A square piece of cardboard has side 25cm. What is the area of cardboard in (a) cm² (b) mm² and (c) m²? Please explain.
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Step-by-step explanation:
the area of cardboard is cm²
Answered by
2
cm² because to get area of a square we have to multiply it's two sides.
so cm×cm=cm²
because all literal numbers has 1 as their power
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