Question

The area of four walls of a room is 91 m . If the room is 13 m long and 4.5 m broad , find its height​

Answer 1

Answer:

2.6 m

Step-by-step explanation:

Area of walls = Perimeter of base*Height

91 = 2(13+4.5) * h

91 = 35 h

h = 91 ÷ 35

h = 2.6m

Answer 2

l = 13 m b = 4.5 m h = ?

Areaof four walls = 91 m^2

Lateral Surface area of cuboidal room

= 2 ( l + b ) h

2 ( 13 + 4.5 ) h = 91

h = 91 / 35

h = 13 / 5 m

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