Question

2-column proofs - Provide unknown “Reasons”

4Shoement Reason 41+ L2 +43-o Sm of interiar angles L 1 +24以1tL2 tc3| Transitive property Reason Given Gven b) Stokment Reasorn oiven d Stakmunt reflerive properh kriwe proertl ムに. LN

Answer 1

4a)Sum of two interior angles of a triangle is equal to exterior angle of the opposite interior angle of that triangle.

4b)Since EB is the angle bisector of angle(AEC)

therefore,angle(AEB)=angle(BEC)-------(1)

similarly,EC is angle bisector of angle(BEC)

therefore,angle(BEC)=angle(CED)-------(2)

from equation(1) and equation(2) we get that

angle(AEB)=angle(CED)

4(c)I think something is wrong in this part.