Answer:
So, the distance from boat to matt is 455.81535feet
Explanation:
We are given height of a cliff is 305 feet
and the measurement of the angle of depression to a boat on a lake is 42 degrees
so, we can draw diagram
Let's assume
distance from boat to matt is x
We can use trig

now, we can solve for x


So, the distance from boat to matt is 455.81535feet