Number 1.

Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measures. m/BDC = (11x + 25)", m/ACD = (4x + 5)" B O Same-Side Int. zs Thm. mzBDC = 45' , mZACD = 135 O Alt. Int. zs Thm. mzBDC = 45', mZACD = 135 O Same-Side Int. 2s Thm. mzBDC = 135, mZACD = 45 O Alt. Int. zs Thm. mzBDC = 135", mZACD = 45"Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measures. m/4 = (30x + 45)", m/5 = (60x - 15)" 41 2 8 7 U O Alt. Ext. 2s Thm. mz4 = 105', mz5 = 105" O Alt. Ext. 2s Thm. mz4 = 75', mz5 = 15 Alt. Int. zs Thm. mz4 = 135', mz5 = 135 O Corr. zs Post. mz4 = 75', mz5 = 15"Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measure. m/1 = (50x - 50)", m/2 = (20x + 70)" 2 6 8 4 5 O Alt. Int. 2s Thm. mz1 = 150', mz2 = 150 O Alt. Ext. 2s Thm. mz1 = 130', mz2 = 130 O Corr. zs Post. mz1 = 150', mz2 = 150 O Same-Side Int. zs Thm. mz1 = 130', mz2 = 130Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measure. m/1 = 45, m/4 = (9x) 7 8 U 4 1 6 O Alt. Int. zs Thm. mz4 = 45 O Alt. Int. zs Thm. mz4 = 135 O Corr. zs Post. mz4 = 135" O Alt. Ext. zs Thm. mz4 = 45