Mr.khanna wants to tile the wall of his kitchen using squre tiles.for this porpose,he bought 5 boxes of tiles each consting of 2 tiles . if the length of each side of the tile is 20 cm find its area.
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Answer:
4000 sq. cm (or) 0.4 sq. m
Step-by-step explanation:
No. of tiles Mr. Khanna bought = 5 Boxes*2 Tiles per box = 10 Tiles [ * stands for Multiplication]
Lenght of the Side = 20 cm
Area of square = side*side
So,
Area of one Tile = 20 cm*20 cm = 400 sq. cm
Area of 10 Tiles = 400 sq. cm*10 = 4000 sq. cm
So, if he uses all the tiles to tile his wall, then the area of the wall is also
4000 sq. cm (or) (4000)/(100*100) = 4000/10000 = 0.4 sq. m [as we want to convert the area from sq. cm to sq. m, we'll have to divide it with 100^2 instead of just 100]
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