SOLUTION: find the diagonal of a square with a perimeter 28 meters

SOLUTION: find the diagonal of a square with a perimeter 28 meters

Algebra.Com

Question 257385: find the diagonal of a square with a perimeter 28 meters
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
If the perimeter is 28. then side = 7.
We use Pythagorean theorem and get
a^2 + b^2 = c^2
7^2 + 7^2 = c^2
49 + 49 + c^2
98 = c^2
c = sqrt(98) = 7sqrt(2)
This is the diagonal
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