The horizontal distance between two towers is 80 m. the angle of depression of the top of the first tower when seen from the top of the second tower is 30o. if the height of the second tower is 160 m, find the height of the first tower.

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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