Hello pooponsomeone,
ABCD is a parallelogram. BEA = CDA given
Angle BAD is supplement of CDA property of parallel lines
Angle BAE is supplement is supplement of BAD Sum of adjacent lines on a line
Angle BEA =BAE
triangle BEA is isosceles BE=BA
Hello pooponsomeone,
ABCD is a parallelogram. BEA = CDA given
Angle BAD is supplement of CDA property of parallel lines
Angle BAE is supplement is supplement of BAD Sum of adjacent lines on a line
Angle BEA =BAE
triangle BEA is isosceles BE=BA