Classification of Triangles

What is Triangle?

$△XYZ$ is an

Scalene triangles have all sides equal.

Is the given triangle scalene, isosceles or equilateral?

A triangle whose all angles are less than $90°$ is called

If the angles of a triangle are $60°$ and $30°$. It is a/an _____-angled triangle.  

A triangle with one angle more than $90°$ is called an_____-angled triangle.

A triangle has _____ vertices.

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:

One of the legs of a right-angled triangle $PQR$ having $\angle R={90}^{\mathrm{o}}$ is $PQ$.

In figure, the length in $\mathrm{cm}$, of each side has been indicated along the side. The following triangle is a/an _____ triangle. (scalene, isosceles or equilateral).