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Anna11 [10]
3 years ago
11

Chris works in a tall building in downtown Columbia. We are going to view this skyscraper as a line segment. The building has an

endpoint of point A at the top of the building, and an endpoint C at the front door. The building is 43 stories tall. So we know that the length of AC 43 Chris works at point B on the building which is 12 stories above C. Find the length of AB?
Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

A at the top of the building, and an endpoint C at the front door. The building is 43 stories tall. So we know that the length of AC 43 Chris works at point

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Answer:

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Answer: #-1 + sqrt2#

Explanation:

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#tan 2t = 1 = (2tan t)/(1 - tan^2 t)# -->
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There are 2 real roots:
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Since tan 22.5 is positive, then take the positive answer:
tan (22.5) = - 1 + sqrt2


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