Hello!
Considering P as a right angle, the side RQ will be considered the hypotenuse.
When we talk about hypotenuse, we remember the Pythagoras Theorem, right? Let me write it below:
So, let's write it as an expression:
[tex]\begin{gathered} 20^2+21^2=29^2 \\ 400+441=841 \\ 841=841\text{ TRUE} \end{gathered}[/tex]
Right Answer:
Alternative A.
