Answer Happy

Posted: **Mon Jul 11, 2022 10:34 am**

: 8 For An Event On A River A Helicopter Which Is 780 Feet Above The Surface It Measures The Angle Of Depression Of A Bo 1 (29.32 KiB) Viewed 34 times

8. For an event on a river, a helicopter which is 780 feet above the surface it measures the angle of depression of a boat to be 42°. How far is the boat from the point on the surface directly below the helicopter?