Question

a 5 metre long ladder is place it is Leaning towards a vertical was such that it reaches the wall at a point 4 m height if the foot of the ladder is moved 1.6 towards the wall then find the distance by which is the top of the ladder would slide upwards on the wall​

Answer 1

by phythogores theorem 5 sq =4 sq+x sq

25=16+x sq

x sq=9

x=3

we cut 1.6m from 3m

=1.4

by phythogores theorem

5m sq =1.4m sq+x sq

25=1.96+x sq

x sq=23.04

x=4.8

so the answer: it's hight is 4.8m

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