Math, asked by 702093, 1 day ago

A helicopter flying 3,919 feet above ground spots the top of a 131-foot tall tower at an angle of depression of 75°. How far must the helicopter fly to be directly over the tower? Round to the nearest tenth.

Answers

Answered by siddharthnigam605

1

Step-by-step explanation:

tan45o=BCAC

1=BC300

BC=300m

tan60o=CDAC

3=CD300

CD=3300×33

=33003=1003=1.732×100=173.2

width of river =BC+CD=300+173.2=473.2m

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