Math, asked by nikitajha288, 6 hours ago

The area of four walls of a room of size 7ft x 8 ft x 12 ft 0 466 sqft O 360 sq.ft O 360 sqm O None of these.​

Answers

Answered by bagkakali
2

Answer:

area of the 4 walls

{(7×12)×2+(8×12)×2} sq ft

=(168+192)sq ft

=360 sq ft

Answered by amitnrw
1

Given : room of size 7ft x 8 ft x 12 ft

To Find :  area of four walls

Solution:

Area of walls  = 2 ( length * height + breadth * height )

= 2( l + b) h

l = 7 , b = 8  and  h = 12

= 2 ( 7 + 8) 12

= 2( 15) (12)

= 30 * 12

= 360 sq feet

area of four walls  is 360 sq feet

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