Biology, 20.02.2020 07:47 danbat3023

Robin Hood wants to measure the length of a rope his merry men have recently detached from deputy sheriff. Robins stands on a cliff and shoots an arrow with the rope attached at a hamburger on the plain below little John paces 30 yards from the foot of the cliff to the hamburger and measures 45° between the taut cord and the ground

How long is the cord

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