Explain the term: Obtuse triangle

In the figure given below, the length (in $\mathrm{cm}$ ) of each side has been indicated along the side. State whether it is scalene, isosceles or equilateral.

In the figure given below, the length (in $\mathrm{cm}$) of each side has been indicated along the side. State whether it is scalene, isosceles or equilateral.

In the figure given below, the length (in $\mathrm{cm}$) of each side has been indicated along the side. State whether it is scalene, isosceles or equilateral.