Question

A door of length 3m breadth 1.5m is fitted in a wall.The length of wall is 4.5m and breadth is 3.6m.Find the area of the wall​

Answer 1

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Dimensions of the door..

Length =2 m

Breadth =1 m

Area of the door =2*1 =2 m²

Dimensions of the wall...

Length =4.5 m

Breadth =3.6 m

Area of the wall =4.5*3.6=16.2 m²

Area for white washing =area of the wall- area of the door

=) 16.2-2=14.2 m²

Given cost per m²=20 rs

Cost of white washing =14.2*20=284 rs

This is your answer...

Hope it helps you...

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Answer 2

Answer:

Dimensions of the door..

Length =2 m

Breadth =1 m

Area of the door =2*1 =2 m²

Dimensions of the wall...

Length =4.5 m

Breadth =3.6 m

Area of the wall =4.5*3.6=16.2 m²

Area for white washing =area of the wall- area of the door

=) 16.2-2=14.2 m²

Given cost per m²=20 rs

Cost of white washing =14.2*20=284 rs

This is your answer...