Explore the properties of angles and arcs
formed by two intersecting secants.
m2 ABC = 28°
1. Find the difference of arc measures.
MAC = 80°
MAC - mDE = 23
= 56°
mDE = 24°
2. Multiply the angle measure by 2.
2(m_ABC) =

Explore the properties of angles and arcs formed by two intersecting secants m2 ABC 28 1 Find the difference of arc measures MAC 80 MAC mDE 23 56 mDE 24 2 Multi class=