A 4.2m long ladder is placed against a perpendicular pylon with its foot 60cm from the pylon.
Determine how far up the pylon the ladder reaches
Calculate how far the top of the ladder rises when the foot of the ladder is moved 20cm towards the pylon
Foreword (May 2015)
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How to Know You are Making a Difference at EE
In August, 2013, one …
Although Jacob Bernoulli (1654-1705) has been credited as the creator of "Binomial Distribution Table", Gottfried Leibniz (1646-1716) did his dissertation on the subject in 1666; Leibniz you may recall is the co-inventor of "Calculus" and beat Isaac…