Question

If x, x+1 , x+2 are three sides of a obtuse angled triangle then the value of x is :-

a) -1 2

d)0

Answer 1

x+x+1+x+2=3x+3

Sum of angles of triangle=180 degree

3x+3=180

3x=180-3

3x=177

x=177/3

x=59