Mathematics, 04.05.2021 22:00 emory238

A straight tunnel is to be dug through a hill. Two people stand on opposite sides of the hill where the tunnel entrances are to be located. Both can see a stake located 530 meters from the first person and 755 meters from
the second. The angle determined by the two people and the stake (the vertex) is 77'. How long must the
tunnel be?

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