∠
° 
and 
≅
°. This shows that the line BE is perpendicular to AC. By property of isosceles triangle, the line which passes from the vertex of the largest angle of triangle and cuts the opposite side(base) perpendicularly is the perpendicular bisector of the side and angle bisector of the angle.
[ Definition of Angle bisector]
[ Definition of perpendicular bisector]
Iwill award
given:
ab ≅ bc and ae = 10 in,
m∠fec = 90°
m∠a...
Mathematics, 15.11.2019 03:31 123333333545
Iwill award
given:
ab ≅ bc and ae = 10 in,
m∠fec = 90°
m∠abc = 130°30'
find: m∠ebc, ac
Answers: 1
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