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Ayana wants to cover 7cm by 9m rectangular roof by tile . the area of 1 tileis 0.1 m square . how many tiles are needed to cover the roof ?



User Raleigh
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1 Answer

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Answer:

Explanation:

7cm=0.07m
0.07*9=0.63m^2
63 tiles needed

User Sergey Eremin
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