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) Find the number of square tiles needed to cover the floor of the room.
Answers
Given data :
- The bedroom of Anita is 9 m long and 5 m wide.
- Anita wants to cover the floor of her bedroom with square tiles of side 30 cm.
To find : The number of square tiles needed to cover the floor of the bedroom ?
Solution : Let, Anita's room be rectangular in shape.
Now, according to given,
→ Length of room = 9 m
→ Breadth of room = 5 m
Now,
→ Area of floor of bedroom
= length * breadth
→ Area of floor of bedroom
= 9 * 5
→ Area of floor of bedroom
= 45 m²
→ side of square tile = 30 cm = 0.3 m
→ Area of square tile = ( side )²
→ Area of square tile = ( 0.3 )²
→ Area of square tile = 0.09 m²
Now, to find number of square tiles needed to cover the floor of the bedroom.
→ Number of square tiles = 45/0.09
→ Number of square tiles = 500
Answer : 500 square tiles needed to cover the floor of the bedroom.
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