SOLUTION: A staircase is being constructed in a new house as displayed on the right. Each tread is 18 cm and each riser is 10 cm. Determine the angle of inclination of the stairs. photo

Algebra ->  Trigonometry-basics -> SOLUTION: A staircase is being constructed in a new house as displayed on the right. Each tread is 18 cm and each riser is 10 cm. Determine the angle of inclination of the stairs. photo       Log On


   

Question 1181547: A staircase is being constructed in a new house as displayed on the right. Each tread is 18 cm and each riser is 10 cm. Determine the angle of inclination of the stairs.
photo link- https://docs.google.com/document/d/1RzTkN5Lp7bFWGqAUXRWhVhdnzidByjzKgrZ--wcWwM4/edit?usp=sharing
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
the tangent of the angle of inclination is 10/18.
the arc tan of (10/18)=29.05 degrees.