9/17 Adv Geometry - Angle Addition Postulate

If m∠ABD = (5x - 23)°, m∠DBC = (x + 10)°, and m∠ABC = 113°, find x.

If m∠UTB = (3x + 30)°, m∠BTS = (2x + 12)°, and m∠STU = 177°, find x.

If m∠UTM = (4x - 7)°, m∠MTS = (9x - 2)°, and m∠UTS = 147°, find x.

If m∠ABC = 103° find m∠ABD.

If m∠ABC = 103° find m∠DBC.

If m∠VMN = (x + 101)°, m∠LMV = (x + 36)°, and m∠LMN = 129°, find m∠VMN.

If m∠VMN = (x + 101)°, m∠LMV = (x + 36)°, and m∠LMN = 129°, find m∠LMV.

If m∠DKL = (21x + 5)°, m∠JKD = (4x + 2)°, and m∠JKL = 132°, find x.

If m∠DKL = (21x + 5)°, m∠JKD = (4x + 2)°, and m∠JKL = 132°, find m∠DKL.

If m∠DKL = (21x + 5)°, m∠JKD = (4x + 2)°, and m∠JKL = 132°, find m∠JKD.