A.) 45° B.) 60° C.) 85° D.) 95° E.) 105° ∠AXZ is 130°, therefore ∠ YXZ is 50° {angles on a straight line add up to 180°} Angles in a triangle add up to 180° 180 - (45 + 50) = ∠XZY {subtracted the known angles from 180 to find the missing angle} 180 - 95 = ∠XZY {added in parentheses} 85° = ∠XZY {subtracted} C.) 85°- Algebra House
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