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Last updated at Nov. 15, 2018 by Teachoo

Transcript

Example 16 Bob wants to cover the floor of a room 3 m wide and 4 m long by squared tiles. If each square tile is of side 0.5 m, then find the number of tiles required to cover the floor of the room. Here, Number of tiles = (๐๐๐ก๐๐ ๐๐๐๐ ๐๐ ๐๐๐๐ก๐๐๐๐ข๐๐๐ ๐๐๐๐)/(๐ด๐๐๐ ๐๐๐ ๐๐ข๐๐๐ ๐ก๐๐๐) Finding area of rectangular room and square tile Rectangular room Length of rectangular room = l = 4 m Breadth of rectangular room = b = 3 m Area of room = l ร b = 4 ร 3 = 12 sq. m = 12 ๐^2 Square tile Side of square tile = a = 0.5 m Area of tile = a ร a = 0.5 ร 0.5 = 5/10 ร 5/10 = 25/100 sq m2 Now, Number of tiles = (๐๐๐ก๐๐ ๐๐๐๐ ๐๐ ๐๐๐๐ก๐๐๐๐ข๐๐๐ ๐๐๐๐)/(๐ด๐๐๐ ๐๐ ๐ก๐๐๐๐ ๐ ๐๐ข๐๐๐) = 12/(25/100) = 12 ร 100/25 = 12 ร 4 = 48 โด 48 tiles are required to cover the room

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.