CBSE Class 7 Answered
the foot of a ladder is placed 6 feet from a wall if the top of the ladder rests
8 feet up on the wall how long is the ladder
Asked by harmanpreetdhillon671 | 05 Aug, 2023, 15:15: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/df23abb060b51aa2cbe12ac74522cb9864d07d2d4b65d9.71568879LadderAug7.png)
Let AB be the ladder and AC be the wall.
Let the length of ladder = x ft
Then, by Pythagoras theorem
![AB squared equals AC squared plus BC squared
straight x to the power of 2 to the power of blank end exponent equals 8 squared plus 6 squared equals 64 plus 36 equals 100
straight x equals 10 space ft](https://images.topperlearning.com/topper/tinymce/cache/6f4feed3ce2bd8344769e8d40724cc67.png)
Therefore, the length of ladder is 10 feet.
Answered by Rashmi Khot | 07 Aug, 2023, 10:44: AM
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