l=12 b=8 h=4 of a room. find area of four walls?
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Hey mate ......
Here is your answer. ...
Area of four wall or lateral = 2( l + b ) h.
= 2 ( 12 + 8 ) 4
= 2 ( 20 ) 4
= 2×20×4
= 160
Please follow me. .....
Here is your answer. ...
Area of four wall or lateral = 2( l + b ) h.
= 2 ( 12 + 8 ) 4
= 2 ( 20 ) 4
= 2×20×4
= 160
Please follow me. .....
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