Математика, 04.07.2020 13:49, seraoki557

From the top of a hill 30 m above a river the angles of depression of the banks of a river are 47° and 57° respectively. What is the width of the river? 6.5 m 8.5 m 7.5 m 0 9.5m


From the top of a hill 30 m above a river the angles of depression of the banks of a river are 47°

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