Fórum de matemática-Pergunte ao Dr. MathFórum de matemática-Pergunte ao Dr. Math
por que os ângulos de um triângulo aumentam a 180 graus? Date: 4/17/96 at 19:16:32From: AnonymousSubject: Geometry, angles in a triangleHi! We were wondering why all the angles in a triangle add up to 180 degrees. Several of us are trying to prove Mr. Smith wrong and draw a triangle