Nov. 27 1997 Homework
Definition: Isosceles triangleA triangle in which two sides have the same length.
1.
Given
DABC is an isosceles triangle with side AB @ side BC.
Prove that
BAC@BCA2.
Given
DABC, Ray AD bisects BAC, Ray CD bisects BCA, Line EF is parallel to segment AC and passes through D.
Prove that
DADE and DCFD are isosceles.