Given the following diagram, find the required measure.
glven: m < 3 = m < 7
all of the following are true except
o m< 1 = m < 3 + m< 5
m< 5 = m< 4+ m< 7
m< 3 = m< 6 + m< 7
m< 1 = m< 5+ m< 7