The tallest man in medical history was Robert Wadlow. He was 12 4/5times as tall as he appears in a Book of Reords photograph. H
e is 7 1/2 inches tall in the photograph. How tall was Robert Wadlow?
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Answer:
In alphabetic order:
x can be found with pythagorean theorem, since triangle ADC is right in D.
y and z are 7 times respectively the sine and cosine of angle ACB.
Finally, can be calculated by determining the arc sine (or inverse sine) of the ratio CD over AC