The Empire State Building is 1250 ft tall and it has 102 stories. It is 859 ft taller than the Park Row Building, the world's ta
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Answer:
Step-by-step explanation:
Observe in the figure given in the exercise that four right triangles are formed.
In this case you can use the following Trigonometric Identity to solve this exercise:
From the figure you can identify that:
Then, you can substitute values:
The next step is to solve for DE in order to find its value. This is:
Finally, rounding the result to the nearest tenth, you get that this is:
I am old, so I like to use paper & pencil
