4. In the figure, seg AB = seg AC, B-A-E and
ray AD bisects EAC then prove ray AD | side BC.
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30
Answer:
AD//BC
Step-by-step explanation:
AB=AC implies angle B = angle C =x (say)
angle EAC is a exterior angle
therefore
angle EAC = x+x=2x
AD is bisector therefore Angle EAD = 1/2 of 2x= x
angle EAD= angle B. Corresponding angle s
therefore
AD is // to BC
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1
Answer:
Answer AD is || to BC
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