Question

the perimeter of the floor of a room is 46m. and its hieghtis 3.5 m. find area of wall of a room

Answer 1

Perimeter =2(l+b) -------1equation

46=2(l+b) --------1equation

Area of four walls =
=2(l+b) *h. -----2equation

Put the value of 2(l+b) in 2equation

Area of four walls =46*3.5

Area of four wall =161m²

Answer 2

heya!! mate♥♥


your answer is - - - -


perimeter of rectangle=2 (l+b)

height=3.5m

area of 4 walls= 2(l+b) h
46×3.5=161 sq. m