7 similar square tiles are arranged to form a figure.Each tile has a side of 3cm. what is the area and perimeter of the figure?
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Answer:
84cm - perimeter
441cm square
Step-by-step explanation:
side of square = 3cm
perimeter= 4×side
= 4×3
= 12cm
perimeter of 7tiles= 7×12
=84cm
side of 7squares tiles = 7×3
= 21cm
area= 21^2
= 441cm square
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