Complete the following statements:
(a) Two line segments are congruent if ___.
(b) Among two congruent angles, one has a measure of 70° , the measure of other angle is ___.
(c) When we write Ð A = Ð B, we actually mean ___.
(a) they have the same length
(b) 70°
(c) mÐ A = mÐ B
