![In ∆ABC, AD ⊥ BC, if BD = x units, then x is](https://www.gkseries.com/blog/wp-content/uploads/2024/04/In-∆ABC-AD-⊥-BC-if-BD-x-units-then-x-is.jpg)
In ∆ABC, AD ⊥ BC, if BD = x units, then x is:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-133-942x1024.png)
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-134-1004x1024.png)
a² + x² – 2ax + h² = b² …(ii)
from subtracting (i) from (ii)
a² – 2ax = b² – c²
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-135-1024x384.png)
In ∆ABC, AD ⊥ BC, if BD = x units, then x is:
Sol:
a² + x² – 2ax + h² = b² …(ii)
from subtracting (i) from (ii)
a² – 2ax = b² – c²
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