"Maybe we should start studying. Do you remember the sum our Maths teacher gave us?"
" Find the total area of an isosceles triangle with sides of length 1 cm and base of length 2 cm as well as a circle of radius 2 cm with an inscribed point."
"What's your answer?"
"My answer? It is 4pi+sqrt(2)"
"What about the inscribed point?"
"What about it? It's area is zero."
next [or on to ] effacing