Help needed with both 9 & 10
1 answer:
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Because 
and 
are inversely proportional, there is some constant 
such that
Given that
and 
, we have
So when
, you have
Given that
So when
Answer:
The height of the Eiffel Tower will be 318 feet.
Step-by-step explanation:
Please check the attached graph.
From the diagram, it is clear that Lizbeth is 5.5 ft tall, seeing the top from 318 feet away, making an angle of elevation to be 72⁰.
The diagram makes a right-angled triangle.
- Given the angle = Ф = 72⁰
- Adjacent = a = 5.5 ft
- Opposite = b = 318 ft
- Hypotenuse = the height of the Eiffel Tower = c ?
Pythagorean Theorem:
For a right-angled triangle, with sides 'a' and 'b', the hypotenuse 'c' is defined as:
feet
Therefore, the height of the Eiffel Tower will be 318 feet.
