Explain the term: Equilateral 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.

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 measures of some of their angle have been indicated. State whether it is acute, right or obtuse.