This is how to come up with the area of an equilateral triangle geometrically and with the help of Pythagoras' theorem. #mathematicalcreativity #featuredgeometry #mathematicsproofs #mathematics_proofs #geometricalproofs #equilateraltriangle #equilateraltriangles #mathematicsinaction #geometrical #geometricalshapes #geometrically #geometriclicious #algebra #algebraic #algebraclass #pythagoras #pythagorastheorem #sacredgeometryworld #sacredgeometry #math #mathproofs #mathsproofs #mathematical #mathematics #maths #mathskills #mathsisfun #mathsproblems #mathsforlife