A ladder 10 metre long rests against a vertical wall.if the foot of the ladder is six metre away from the wall and the ladder just reaches the top of the wall.how high is the wall ?
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By Pythagoras theorem
10²=6²+hieght of wall²
100-36=hieght²
64=hieght²
8metre =height
10²=6²+hieght of wall²
100-36=hieght²
64=hieght²
8metre =height
siddharth104:
8metwr
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