Respuesta :
The answer is 15
12^2+9^2=c^2
144+81=c^2
225=c^2
Square root of 225=15 so that’s your answer but it only works with right angled triangles
12^2+9^2=c^2
144+81=c^2
225=c^2
Square root of 225=15 so that’s your answer but it only works with right angled triangles