A ladder 13 m long is placed on the ground in such a way that it touches the top of a vertical wall 12 m high. Find the distance of the foot of the ladder from the bottom of the wall using QBASIC program.
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Answer:
According to pythagoras theorem,
{ab}^{2} = {ac}^{2} + {bc}^{2}ab
2
=ac
2
+bc
2
13×13=(12×12)+bc^2
bc^2=169-144
bc^2=25
bc=5m
Explanation:
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