In the figure shown below, $ABCDE$ is a regular pentagon and $AG=1$. What is $FG + JH + CD$?
Mymensingh Selection round 2019 P5
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Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
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Re: Mymensingh Selection round 2019 P5
Hint
Use $\phi$ as there is a pentagon!
Answer
$1+\sqrt 5$
Problem Source
AMC 2015 P22
Solution
Use $\phi$ as there is a pentagon!
Answer
$1+\sqrt 5$
Problem Source
AMC 2015 P22
Solution