However , to do so he made certain unwarranted assumptions about the configuration of the circles .
In 1803 , Gian Francesco Malfatti claimed to prove that a certain arrangement of three circles would cover the maximum possible area inside a right triangle .
To do so Gian Francesco Malfatti made certain unwarranted assumptions about the configuration of the circles .
In 1803 , Gian Francesco Malfatti claimed to prove that a certain arrangement of three circles would cover the maximum possible area inside a right triangle .