Mathematics · Trigonometry
A movable staircase reaches a balcony 16 meters high on a vertical building. If the staircase is positioned at a 45° angle to the flat ground, what is its total length (rounded to the nearest whole number)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121 m
- 222 m
- 323 m✓
- 420 m
Correct answer
23 m
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