m∠LMN=m∠NMO m, angle, N, M, O, equals, one half, left bracket, m, angle, L, M, N, right bracket\text{m}\angle NMO=\frac{1}{2}\left(\text{m}\angle LMN\right)m∠NMO= 2 1 (m∠LMN) m, angle, L, M, N, equals, m, angle, L, M, O\text{m}\angle LMN= \text{m}\angle LMOm∠LMN=m∠LMO m, angle, L, M, O, equals, 2, left bracket, m, angle, N, M, O, right bracket\text{m}\angle LMO= 2\left(\text{m}\angle NMO\right)m∠LMO=2(m∠NMO)