Oil rig

Oil drilling rig is 23 meters height and fix the ropes which ends are 7 meters away from the foot of the tower.

How long are these ropes?

Result

x =  27.89 m

Solution:

x2=272+72 x=778=27.89 mx^2 = 27^2 + 7^2 \ \\ x = \sqrt{ 778} = 27.89 \ \text{m}

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