Question

how many tiles of area 15cmsquare will be needed to cover a floor 5.85 m by 6.90m

Answer 1

5.85m=>585cm
6.90m=>690cm
Area=585×690=>403650cm²

Tiles required=403650/15
Tiles=26910

Answer 2

Answer

26910

step by step deviation


In the questions given data ,

A floor of length 5.85 m . and the breadth of the floor is 6.90 m.


here we find how many tiles of area 15cmsquare will be needed to cover a floor = ?


$note \: the \: given \: area \: in \: {cm}^{2}$

so it's first step Given data in meter its should be changed in meter.

1 meter equal to 100 cm

then , 5.85 m equal 585cm.

Next ,

since 6.90 cm equal to 690m


area of the floor = l × b

using formula = l× b

l = length

b= breadth

now we find area of floor

area of the floor = l × b




$area \: of \: the \: floor = 585cm × 690cm \\ \\ = 403650 {cm}^{2}$


Tiles required equal to

$\frac{total \: area \:of \:the \: floor}{area \: of \: tiles} \\ \\ \frac{403650 {cm}^{2} }{15 {cm}^{2} } \\ \\ = total \: tiles \: equal \: to \: 26910.$


be brainly