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CBSE Class 10 Answered

A ladder 15 m long just reach the top of a vertical wall. If the ladder makes an angle 60° with the wall , find the height of wall
Asked by rumanshukumar0 | 04 Jan, 2023, 10:44: PM
Expert Answer
Let h be the wall height .
 
If ladder makes angle 60o with  wall , then  h/15 = cos60 = 1/2
 
h = 15/2 m = 7.5 m
 
height of wall = 7.5 m
Answered by Thiyagarajan K | 04 Jan, 2023, 11:04: PM
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