Question

the slope of a ladder making an angle 30° with the floor is​

Answer 1

Answer:

Height of opposite wall is 20√2 m or 28.28 m. Now without sliding the foot of Ladder,it is made to lean against another opposite wall and now it makes an angle of 45° with the floor.

Step-by-step explanation:

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Answer 2

Ladder makes an angle 30∘ with the floor as shown in figure.

∴ ladder makes 120∘ angle with the positive direction of x-axis.

⇒ slope of ladder =tan120∘=tan(90∘+30∘)=−cot30∘=−3