A tree is planted at a point O on horizontal ground. Two points A and B on the ground are 100 feet apart. The angles of elevatio
n of the top of the tree T from the points A and B are 45◦ and 30◦ respectively. The measure of ∠AOB is 60◦ . Find the height of the tree
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Answer:
Step-by-step explanation:
1. Factor out the imaginary number "i" from the trinomial. This leaves you with:
x^2 + x + 1 = 0
2. From here you need to complete the square and solve for x, which should give you the above answer once simplified.
3. If you wanted to check the answer you can plug it back into the equation to see if you get 0.