find the surface area of the almirah of 80 m long,40m wide,90m high?
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Answer:
28000 m
Step-by-step explanation:
surface area of cuboid = 2( lb+ bh + hl ) ( where L =length
B= breath
H = height )
= 2 (80*40+40*90+90*80)
= 2 (3200+3600+7200)
= 2*14000
= 28000 m
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