Question

Q3. The area of the four walls of a room is 77 square meter. The length and
breadth of the room 7.5m and 3.5m respectively. find the height of the
room.​

Answer 1

$\mathbf{\color{purple}{\huge{✮}}}\mathbf{\blue{\huge{A}}}\mathbf{\color{aqua}{\huge{N}}}\mathbf{\green{\huge{S}}}\mathbf{\color{yellow}{\huge{W}}}\mathbf{\orange{\huge{E}}}\mathbf{\red{\huge{R}}}\mathbf{\color{maroon}{\huge{✮}}}$

Solution :

Area of 4 walls of a room = 77m²

Also, Area of 4 walls of room = 2(l+b)×h

Where l , b and h are length , Breadth and hight respectively :

== 77=2(7.5+3.5)×h

== 77=2(11)×h

== 77 = 22 h

Hence , The hight of a room is 3.5 m

$\huge{\underline{\boxed{\purple{{★ Hence \: Verified ★}}}}}$

Answer 2

Answer:

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