Test: practice exam 1.7 and simplifying radica
this question: 1 pt
find the midpoint of the line segment joining points a and b
a(6. - 7); b(6,3)
the midpoint of the line segment is
(type an ordered pair

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality