Melissa sees a lighthouse from her sailboat. She knows the height of the lighthouse is 154 feet. She uses a measuring device and
determines that the angle to the top of the lighthouse from her boat is 35°. How far is the sailboat from the base of the lighthouse?
2 answers:
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Answer:
Step-by-step explanation:
Given that:
Difference of two trinomials is
One of the two trinomials is
To find:
The other trinomial = ?
Four options are:
Solution:
Let the two trinomials be A and B.
Given A - B =
B =
We have to find the other trinomial A.
A - B =
A - () =
A =
+ (
)
A =
So, the correct answer is .