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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 ? ​

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 ? ​
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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 ?

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asked
User Raleigh
by
8.0k points

1 Answer

2 votes

Answer:

Explanation:

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

answered
User Sergey Eremin
by
7.7k points
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