A person, standing exactly midway between two towers, observes the top of the two towers at angle of elevation of 22.5° and 67.5°. What is the ratio ? (Given that tan 22.5° = √ 2 − 1 )
A.7+2√2: 1
B.1+2√2: 1
C.5+2√2: 1
D.3+2√2: 1
Answer: D
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