# Stairway

What angle rising stairway if step height in 17 cm and width 27 cm?

Result

α =  32.2 °

#### Solution:

$\tan\alpha = \dfrac{ 17 }{ 27} \ \\ \alpha = \arctan \dfrac{ 17 }{ 27} = 32^\circ 11'45" = 32.2 ^\circ$

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