1. calculate the length of a rectangle if its area is equal to $$ 151,38 \mathrm{~m}^{2} $$ and its breadth is $$ 8,1 \mathrm{~m} $$. calalate the a room $$ 4,5 \mathrm{~m} $$ by $$ 3,75 \mathrm{~m} $$ has to be covered with square carpet tiles with sides the floor of a mm . Calculate: equal the area of the floor in $$ \mathrm{m}^{2} $$ d) the area of a tile in $$ \mathrm{mm}^{2} $$ b) the number of tiles you will need to cover the floor c) the cost to tile the floor at R82,50 per square metre. d) colate the area of the following shape (draw sketches to show how you divided it up):

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1. Length of the rectangle: $$ \approx 18.67 \, 	ext{m} $$ 2. Area of the room: $$ 16.875 \, 	ext{m}^2 $$ 3. Area of a tile: $$ 1 \, 	ext{mm}^2 $$ 4. Number of tiles needed: $$ 16,875,000 	ext{ tiles} $$ 5. Total cost to tile the floor: $$ R1,393.13 $$

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