SSC CPO SI and ASI Model Paper 7

Question : 142 of 200

Marks: +1, -0

The lengths of sides of a triangle are in ratio 5 : 12 : 14. The triangle is

Solution:

(2) The lengths of the sides of thetriangle are

(5x), (12x)

and

(14x)

.
Now,

(14x)^2 = 196x^2

Applying Pythagoras Theorem,

(5x)^2 + (12x)^2 = 169x^2

Since,

(14x)^2 > (5x)^2 + (12x)^2

, thetriangle is obtuse angled.

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