The perpendicular length of a right triangle, whose hypotenuse is $15 \mathrm{cm}$ and base is $12 \mathrm{cm}$, is

The sides of a triangle are given below. Determine if it is a right triangle:

$a=6 \mathrm{cm}, b=8 \mathrm{cm}, c=10 \mathrm{cm}$

The sides of a triangle are given below. Determine if it is a right triangle:

$a=5 \mathrm{cm}, b=8 \mathrm{cm}, c=11 \mathrm{cm}$

Angles $B$ and $C$ of a $∆ABC$ are $30°$ and $60°$ respectively. Then, $A{B}^2+A{C}^2=B{C}^2$.

Angles $B$ and $C$ of a $∆ABC$ are $30°$ and $60°$ respectively. Then, $A{B}^2+B{C}^2=A{C}^2$

Angles $B$ and $C$ of a $∆ABC$ are $30°$ and $60°$ respectively. State which of the following is/are 'True'.

$A{C}^2+B{C}^2=A{B}^2$

In the given figure, $ABC$ is an isosceles triangle in which $AC=BC$ and $AD=BD$. Which of the following is correct about $CD$?