A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30° with the ground. How high on the wall does the ladder reach?
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Q:
A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30° with the ground. How high on the wall does the ladder reach?
- 110 mtrue
- 217.32 mfalse
- 334.64 mfalse
- 430 mfalse
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