Explain the term: Obtuse triangle
 

Explain the term: Exterior of a triangle.

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

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

In the figure, the length $($in $\mathrm{cm}$$)$ of each side has been indicated along the side. Is the triangle scalene, isosceles or equilateral?

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

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

State if the following triangle is acute, right or obtuse.