Answer:
equivalent ratio for this question is
4:6:48
6 / (x+1) = 1/2
x +1 = 12
x = 11
Answer is d ....(11)
Surface area of a cuboid
= [2(length)(width)] + [2(width)(height)] + [2(height)(length)]
= {[2(4)(2.5)] + [2(2.5)(2)] + [2(2)(4)]} units²
= (20 + 10 + 16) units²
= 46 units²