The three sides of a triangle are 15 25 and x units Which one of the following is correct ........

Quantitative Aptitude ( CCS) Geometry

The three sides of a triangle are 15, 25 and x units. Which one of the following is correct?

10 < x < 40

10 ≤ x ≤ 40

10 ≤ x < 40

10 < x ≤ 40

In a triangle

Sum to two sides is always greater than 3rd side

i.e., x < 40 ..... (i)

Difference of two sides is always less than 3rd side

i.e., 10 < x ..... (ii)
From Eqs. (i) and (ii),
10 < x < 40.

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