∠A=∠B
⇒m∠A=m∠B, where m is any non-zero constant.
Question 1 (c) Complete the following statement: When we write ∠A=∠B, we actually mean ___
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 the other angle is __________.
(c) When we write ∠A = ∠ B, we actually mean __________.