The sides of a parallelogram are 3 cm and 5 cm. Could one of the diagonals of this parallelogram be 8 cm?

univerkov | April 3, 2021 | education

If you add the two sides of the parallelogram, then the diagonal of the triangle is formed. And we know that the sum of the two sides of a triangle is always greater than the third.

We conclude that the diagonal is less than or greater than the sum of the folded sides of the triangle.

We know two sides of 3 cm and 5 cm, their sum is 8 cm.

So the diagonal cannot be 8.

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