Question

The length and breadth of a rectangular floor are 4.5m and 4 m respectively. How many square tiles of side 0.5m are required to cover the entire floor?​

Answer 1

Answer:

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Answer 2

$\sf Given \begin{cases} \sf Length \: of \: rectangular \: floor = 4.5 m \\ \sf Breadth \: of \: rectangular \: floor = 4 m \\ \sf Side \: of \: square \: tiles = 0.5m\end{cases}$

$\large{{ \underline{\underline{\sf{To \: Find:-}}}}}$

• ● Number of square tiles needed to cover the floor

$\large{{ \underline{\underline{\sf{Solution:-}}}}}$

• ● First we have to find the area of the floor

$\red\star\large{{ \underline{{\mathfrak{Finding \: the\: are \: of \: floor :-}}}}}$

$\sf \bigg[Area_{(Rectangle)}=L×B \bigg]$

• ● Substituting the values

$\sf \mapsto Area \: of \: floor = L×B$

$\sf \mapsto Area \: of \: floor = 4.5 \times 4$

$\sf \mapsto Area \: of \: floor = 18m$

⊰᯽⊱┈──╌❊✧ ★ ✧❊╌──┈⊰᯽⊱

• ● Side of tiles = 0.5 m

$\sf \mapsto Area \: of \: tile = side \times side$

$\sf \mapsto Area \: of \: tile= 0.5 \times 0.5$

$\sf \mapsto Area \: of \: tile= 0.25m$

Number of tiles needed to cover the floor:-

$\sf \large\mapsto \frac{18}{0.25}$

$\sf \mapsto 72 \: tiles$