golden ratio 유동선

Good evening everyone? It's been a so long time to stand here. After discharging from the army, This is my first speech. So I feel nervous. Please say to me just "take it easy". From now on. I will start my speech. Can you guess what the Golden Ratio is? A few weeks ago, I read 다빈치코드 which introduces the Golden Ratio.  It was so interesting to me.  So I choose this topic to give an information about G.R to you. I.  What is the Golden ratio? Certainly, You have been heard about the Golden ratio. When we were  high school students, we already had been studied about this. through 몬드리안's picture. but, What is the Golden ratio? Can you define about that? Actually G.R was found by Ancient Greek. They thought, It was the best harmonious ratio. So They called it. "golden ratio" I will explain about it from mathematical point of view. Look at the black board. There is a one line. and I will dot a point on the line. and I will call this part as A, and the other part as B. I will mutiply length of A by itself. and I will multiply whole of length by length of B. each value is same. In this case, this is tbe Golden ratio. II.  How can we find the golden ratio. Even though I talked about the golden ratio. but you may think. "what is that?" "Is it related with our life" Actually, It is really related with our life. Can't you belive that? So from now on I will say some examples. You can find the Golden ratio in our life easily. art, music, architecture, our body, and so on A.  The Golden ratio in art look at this picture. this is the venus statue. What do you feel about this statue? I think it is so beautiful. this statue has the golden ratio. The standard is her navel. standard by navel, this part is the upper par. and this part is the lower part . I will measure each part. and from head to neck and from neck to navel are consist of the golden ratio. And from foot to knee and from knee to navel are also consist of G.R There are so many examples in art that have the golden ratio. 다빈치 statue, Buddhist statue in 석굴암, a portrait of 모나리자and so on. B.  The Golden ratio in architecture look at this picture. this is the 파르테논 sanctuary. side of 파르테논 sanctuary and bottom has the golden ratio. I will measure each part. and other example, 피라미드, triumphal arch, 부석사 무량수전 C.  The Golden ratio in our body. Who is she? As you know, She is one of the most beautiful girl in korea. why she is beautiful? because her face is consist of the golden ratio. And from arm to fingertips and from elbow to fingertips are also consist of the golden ratio D.  other example from now I will find otherthing that are consist of the gold ratio. 담배갑, 신용카드, 창문 I will measure length and width till now I told you about the golden ratio. I hope It would be useful for you. When you make something , consider about G.R. You can make it has better shape. That's all what I prepared. THX