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Date: Period: Read & follow the directions carefully. In order to receive maximum credit, you must show clear evidence of your thinking and knowledge. Show all steps, write clear explanations, and use precise mathematical language. TARGET B CH 2 T1. Angle Equations {A.CED.1 and A.REI.B.3} Score: LEVEL 2 Identify the angle relationship in the diagram at right that corresponds to the given angles. 12 11 Angles Angle Supplementary, 13 10 Relationship congruent, or 2 3 neither Example: Example: Linear Pair Supplementary 4 11 and & 13 1 14 4 5 6 vertical congruent & 8 and & 10 corresponding congruent 4 9 and & 10 supplementary congruent 4 14, & 2 and & 4 triangle Sum / Supplementary LEVEL 3 Use angle relationships you know to (i) write the equation and (ii) solve for the variable in each diagram below. Then (iii) justify your answer by stating which angle pair relationship you use to solve. a. Solve for X. . Solve for x in the triangle below. x + 86 x - 150 2x 600 x + 46 i. Equation: 2x + X - 153- 90 i. Equation: + 86 + 60+ x+46 = 180 3 x = 105 2x = -12 X = 35 4 = - 6 ii. Solution: ii. Solution: * = 35 X -6 iii. Justification: Supplementary iii. Justification: triangle angle sum