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Pythagoras developed the method to solve this- A squared plus B squared equals C squared. A squared= 8x8, added to B squared (also 8x8) So that is 64+64 or 128. So 128 is line C squared. Find the square root of 128, and you have C, which is the diagonal. (Hint- it is 11.31)
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8.9
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The square of the diagonal is (652+692)=8986 The diagonal is then the square root of 8986=94.79...
If a square has sides which are 2 inches how many inches is the length of the diagonal?
A square with 2-inch sides has a diagonal of: 2.828 inches.
How long is the diagonal of a square if each side is 12 inches long?
The diagonal is about 16.97 inches long.
