CBSE Class 10 Answered
if altitude of sun is 60 degrees then height of vertical tower that will cast shadow of lenght 20m
Asked by mohantybasanti04 | 22 Jan, 2023, 19:08: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/daa075e3325e5fb0680584b8973098a163cd431c0436e8.11015052f1.png)
Let AB is building height and BC is shadow as shown in figure.
If altitude of sun is 60o , then ![begin mathsize 14px style fraction numerator A B over denominator B C end fraction equals space tan 60 space equals space square root of 3 end style](https://images.topperlearning.com/topper/tinymce/cache/c29f469df5c022c58e2e461356ac34d9.png)
![begin mathsize 14px style fraction numerator A B over denominator B C end fraction equals space tan 60 space equals space square root of 3 end style](https://images.topperlearning.com/topper/tinymce/cache/c29f469df5c022c58e2e461356ac34d9.png)
Height of building , AB = 20√3 m = 34.64 m
Answered by Thiyagarajan K | 22 Jan, 2023, 19:41: PM
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