Level:
Project ID:
2010015302
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The slope of a staircase is \(30^{\circ}\). What is the depth of a stair if its height is \( 15\,\mathrm{cm} \)? (See the picture.)
\(15\sqrt3\,\mathrm{cm} \)
\(30\,\mathrm{cm} \)
\( \frac{15}{\sqrt3}\,\mathrm{cm} \)
\( 28\,\mathrm{cm} \)