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Diagonals of a Rhombus Are Perpendicular to Each Other

The perimeter...

Question

The perimeter of a square is 4x + 20 cm. Then find the length of diagonal

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Solution

Perimeter of a square = 4 * side

4x + 20 = side * 4

side = 4x + 20 / 4

side = 4 ( x + 5 ) / 4

∴side = x + 5 cm.

Now,

Diagonal of a square = √2 * side

Diagonal = √**2 * ( x + 5 ) cm.**

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Diagonals of a Rhombus Are Perpendicular to Each Other

Standard IX Mathematics

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