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Area of a Triangle

The sides of ...

Question

The sides of a right angled triangle are 5x, 4x and 3x units respectively. If the perimeter is 36 units, what is x?

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Solution

Perimeter = sum of the sides = 5x + 4x + 3x = 12x = 36

Therefore, x = $\frac{36}{12}$ = 3

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