How many vertices can there be in a triangle?

Draw an isosceles triangle $\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$, draw an altitude $\mathrm{AL}$ from the vertices $\mathrm{A}$. Measure and state whether the following statement is true or not.

$\mathrm{BL}=\mathrm{LC}$

Draw an isosceles triangle $\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$, draw an altitude $\mathrm{AL}$ from the vertices $\mathrm{A}$. Measure and state whether the following statement is true or not.

$\angle \mathrm{B}=\angle \mathrm{C}$

Draw an isosceles triangle $\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$, draw an altitude $\mathrm{AL}$ from the vertices $\mathrm{A}$. Measure and state whether the following statement is true or not.

$\angle \mathrm{BAL}=\angle \mathrm{CAL}$

Draw an isosceles triangle $\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$, draw an altitude $\mathrm{AL}$ from the vertices $\mathrm{A}$. Measure and state whether the following statement is true or not.

Altitude $\mathrm{AL}$ has divided the isosceles $△\mathrm{ABC}$ into two congruent triangles.

Draw an isosceles $∆\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$. Draw a median $\mathrm{AD}$. Tell by measurement whether the following statements are true or not.
$\mathrm{AD}$ is perpendicular to $\mathrm{BC}$

Draw an isosceles $∆\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$. Draw a median $\mathrm{AD}$. Tell by measurement whether the following statements are true or not.
$\mathrm{AD}$ bisects the $\angle \mathrm{A}$

Draw an isosceles $∆\mathrm{ABC}$, in which $\mathrm{AB}=\mathrm{AC}$. Draw a median $\mathrm{AD}$. Tell by measurement whether the following statements are true or not.
$\mathrm{AD}$ is the perpendicular bisector of $\mathrm{BC}$