Look at the figure shown below.

CB is a segment on which a perpendicular bisector AD is drawn. D is the midpoint of CB.

Which step should be used to prove that point A is equidistant from points C and B?
Triangle ABD is congruent to triangle ACD.

Prove that segment AD is perpendicular to BC.

Triangle ABD is similar to triangle ACD.

Prove that segment AD is equal to segment BC.

Question

Look at the figure shown below. 
 
CB is a segment on which a perpendicular bisector AD is drawn. D is the midpoint of CB.

Which step should be used to prove that point A is equidistant from points C and B?
Triangle ABD is congruent to triangle ACD.
 
 Prove that segment AD is perpendicular to BC.

 Triangle ABD is similar to triangle ACD.

 Prove that segment AD is equal to segment BC.

anonymous · Answer

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anonymous · Answer

"Triangle ABD is congruent to triangle ACD" using side-angle-side (SAS)
then by CPCTC, AC = AB

anonymous · Answer

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anonymous · Answer

Oh. Okay. Now I get it. Thanks.