Sum of three altitudes of a triangle  than/to sum of its three sides. $\left[\mathrm{Lesser}, \mathrm{Greater} \mathrm{or} \mathrm{Equal}\right]$

Sum of any two sides of a triangle _____ twice the median to the $3^{\mathrm{rd}}$ side. $\left[<,>,=\right]$

(Perimeter of a triangle) _____ (Sum of its three medians).  $\left[<,>,=\right]$

Each angle of an equilateral triangle measures _____$˚$.

Medians of an equilateral triangle are _____ . (Equal/Unequal)

In a right triangle, the hypotenuse is the _____ side. (shortest/longest)

Drawing a $∆\mathrm{ABC}$ with $\mathrm{AB}=3 \mathrm{cm}$, $\mathrm{BC}=4 \mathrm{cm}$ and $\mathrm{CA}=7 \mathrm{cm}$ is _____. (possible/not possible)