Given,
Given,length = 4ft
Given,length = 4ftwidth/breadth = 3ft
height = 3ft
now,surface area of cuboid = 2(lb + bh + hl)
after inserting values we got,
→ 2 [(4×3)+(3×3)+(3×4)]
→ 2 ( 12 + 9 + 12 )
→ 2 × 33 = 66 sq unit
therefore , surface area of cuboid is 66 sq.unit
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