Question

A bathroom floor of area $120c{m}^2$ has to be refurnished with tiles. The shape of the tile is a triangle having the base as 3 cm and height as 4 cm. How many tiles are needed to refurnish the entire bathroom floor?

• A. 20

Answer 1

The correct option is A 20
Given,
Area of the bathroom floor = $120c{m}^2$
Base of the triangle = 3 cm
Height of the triangle = 4 cm

Area of the triangle
$=\frac{1}{2}\times base\times height$
$=\frac{1}{2}\times 3cm\times 4cm$
$=3\times 2$
$=6c{m}^2$

Number of tiles required
$=\frac{120}{6}$
$=20$