Question

If the sides of a triangle are in the ratio 3 : 4 : 5, prove that it is right-angled
triangle.
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Answer 1

Answer:

yes it is right angle triangle

Answer 2

Answer:

Hey friend,

Here is the answer you are searching for,

Let sides be 3x, 4x, 5x

Let 5x be hypotenuse,

By using P. G. T

(5x) ² = (4x) ² + (3x) ²

=>25x² = 16x² + 9x²

=>25x² = 25x²

=>P. G. T is applicable,

Therefore,

It is Right angled triangle,

Because P. G. T is only applicable to right angled triangle.

HOPE IT HELPS YOU.

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