A) 10 < x < 40 |
B) \( \Large 10 \le x \le 40 \) |
C) \( \Large 10 \le x < 40 \) |
D) \( \Large 10 < x \le 40 \) |
A) 10 < x < 40 |
In a triangle, sum of two sides is always greater than 3rd side.
i.e. x < 40 ...(i)
Difference of two sides is always greater than 3rd side.
Form Eqs. (i) and (ii),
10 < x < 40