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A ladder 20m long is placed against a ve...

A ladder 20m long is placed against a vertical wall of height 10m, then the distance between the foot of the ladders and wll is………m.

A

`7sqrt(3)`

B

`20sqrt(3)`

C

`10sqrt(3)`

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
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