Whole numbers start from 0 so i am guessing that you can find the decimal for 5/6=0.833 and then multiply .
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
Answer:

Step-by-step explanation:

![r = \sqrt[3]{47.77} \\r = 3.63...](https://tex.z-dn.net/?f=r%20%3D%20%5Csqrt%5B3%5D%7B47.77%7D%20%5C%5Cr%20%3D%203.63...)
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