Answer: OPTION C.
Step-by-step explanation:
Observe the triangle ABC attached.
Notice that the angle of depression is represented with
.
Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of
by using arctangent:

In this case you can identify that:

Therefore, substuting values into
, you get that the angle of depression is:

Answer:
0.5cm
Step-by-step explanation:
Using the sine rule
Answer:
4≠5
There is no solution
Step-by-step explanation:
Answer:
If the sum is x, x+5
Step-by-step explanation:
Answer:
The angle opposite angle 1
Step-by-step explanation:
Opposite angles have the same degree when two lines intersect because they are vertical angles.