A lighthouse operator sights a sailboat at an angle of depression of 12°. If the sailboat is 80 m away, how tall is the lighthou
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Answer:
see below
Step-by-step explanation:
side opposite 90 angle = x
sides opposite 45 angle = x
the multiplication and division by should be self explanatory
1. x = 5, y = 5
2. v = 10, u = 10
3. x = , y =
4. m = 5, n =
5. a = , b =
6. a = , b =