Answer:
z = 16°
Step-by-step explanation:
The sum of angles in a triangle is 180°
∠1 + ∠2 + ∠3 = 180°
(z + 29°) + 55° + 5z = 180°
Collect like terms;
6z + 84° = 180°
Subtract 84° from both sides;
6z = 96°
Divide both sides by 6;
