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A cuboid has a total surface area of 200cm^ it has a hight of 6 width of 10 length of (a) what is the length of a
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25 votes
25 votes
A cuboid has a total surface area of 200cm^

it has a hight of 6
width of 10
length of (a)

what is the length of a

User Pylearn
by
3.2k points

1 Answer

19 votes
19 votes

Answer:

  • 2.5 units

Explanation:

The total surface area is

  • S = 2*(ab + bc ac)

Given

  • Sides are 6, 10 and a

Find the missing value

  • 200 = 2(6*10 + 6a + 10a)
  • 100 = 60 + 16a
  • 16a = 40
  • a = 40/16
  • a = 2.5
User Chirag Thummar
by
2.7k points
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