Question

The floor of a rectangular room measures 14 m by 10m .If the entire floor of the room is to be tiled and each tile measures 2sq.m, how many tiles will be needed.?

Answer 1

$\huge \underline \blue{ \mathrm{S \large{ OLUTION } \huge\colon}} \\ \\ \\ \large \underline { \sf\underline{Given :}} \\ </p><p> \sf Length \: of \: rectangular \: room = 14 \: m \\ </p><p> \sf Breadth \: of \: rectangular \: room = 10 \: m \\ \\ \\ </p><p></p><p></p><p> \underline{\underline{ \sf \large Find \: the \: area \: of \: rectangular \: room :}} \\ \\ </p><p></p><p> \sf Area \: of \: rectangle \: = Length × Breadth \\ </p><p> \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf= (14 × 10) \: {m}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf = 140 \: m {}^{2} \\ </p><p></p><p> \\ \\ \underline{ \underline{\sf</p><p> \large Find \: the \: number \: of \: tiles \: needed :}} \\ \\ </p><p></p><p> \sf 2 \: m {}^{2} = 1 \: tile \\ \sf</p><p>140 \: m {}^{2} = (2 × 140) \: tiles \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf= 280 \: tiles \\ </p><p></p><p> \\ </p><p> \sf Hence, \\ </p><p> \underline{ \underline{\sf \large Number \: of \: tiles \: needed = 280}}</p><p></p><p></p><p>$