A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is || ADRE 1.0 SLRC 2022 PAPER-IV SOLVED QUESTIONS

Question:

A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is 

    (A) 10 m 

    (B) 17.32 m 

    (C) 8.16 m 

    (D) 13 m

Solution:


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