find the total area of four walls of a room dimension7 m long 5m wide and 3m high
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Answered by
1
Answer:
Hey mate here is your answer
Total surface area=2h(lb+bh+hl)
=2×3(7×5+5×3+3×7)
=6(35+15+21)
=6×71
=426m^2
Hope it helps you
Answered by
1
Answer:
area of 4 walls = lateral surface area = 2(lb +bh)
= 2 ( 7×5+5×3)
= 2( 35+15)
= 2( 50 )
= 100 m square
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