Line jm intersects line gk at point n which statements are true about the figure? check all that apply.
gnj is complementary to jnk.
mnl is complementary to knl.
mng is complementary to gnj.
knj is supplementary to mnl.
gnm is supplementary to jnk

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.