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keke6361
05.11.2019 •
Mathematics
Need .
1. error analysis: anita drew the triangle below. her friend, greta life, told her that her triangle was incorrect. who is correct? explain.
2. the geo air pilot is looking at scca from the plane. from the aircraft the angle of depression is 17 degrees. if the plane is at an altitude of 10,000 feet, approximately how far is the plane to scca? round your answer to the nearest tenth. the image is not drawn to scale.
3. trey rigg’s house is next to a large pine tree. the national weather center has issued a warning for high winds. trey is worried that his house is at risk of being crushed by the pine tree. trey’s house is 25 feet from the base of the tree and trey calculates the angle of elevation to be 43 degrees from the base of his house. find the height of the tree to determine if trey’s house is at risk. round your answer to the nearest tenth.
picture 1 is for number 1.
picture 2 is for number 2.
picture 3 is for number 3.
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Ответ:
Part 1) Greta's right, the triangle is incorrect.
Part 2)![34,203\ ft](/tpl/images/0360/3378/f5fc3.png)
Part 3) The height of the tree is
, Trey’s house is not at risk
Step-by-step explanation:
Part 1) we know that
In the right triangle of the figure
Compare
therefore
The triangle is not correct
Because
The side adjacent to the 30 degree angle should be
and the side opposite the 30 degree angle should be ![6](/tpl/images/0360/3378/5ae83.png)
Part 2)
Let
x--------> the distance from the airplane to the SCCA (hypotenuse of the right triangle)
we know that
Part 3)
Let
x--------> the height of the tree
we know that
therefore
Trey’s house is not at risk
Ответ:
Do it your self loser
Step-by-step explanation: