The room of Anita is 9 m long and 5 m wide. She wants to cover the floor of her bedroom with square tiles of side 30 cm.
a) What is the area of the floor in cm ?
b) Find the number of square tiles needed to cover the floor of the room.
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Answer:
the area of rectangle = l×b
9m×5m = 45m (1m=100cm)
a) 4500 CM
b) 4500÷30 = 150 tiles
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