Plz help me:( and have a good rest of your day

Answer:
no
Step-by-step explanation:
to be a right triangle, the squared of the base and height must equal the hypotenuse squared:
[tex]\sqrt{\left(3.45^2\right)+\left(9.75^2\right)}[/tex]= 10.34238
10.24^2 =/= 10.34