Use the diagram at the right to find the angle measures. Line A is parallel to Line M. S A A. Let mZ1 = 58°. 1 2 34 m22 = m23 = M 56 78 m24 = mZ5 = m26 = MZ7 = mZ8 = B. Let m 2 = 116º. m21 = m23 = m24 = mZ5 = m26 = m27 = m28=