subject
Mathematics, 22.04.2021 09:20 robertjoy19

在古代,紙扇除了能搞去暑意,文 人雅士還喜歡在上面作畫、題詩,
因此它也是裝飾品、藝術品。
以數學的觀點,可用黃金比值設計
一把最富美感的扇子。如右圖,
剩餘圖形B面積對扇形A面積的
比比值,如果是黃金比值1.618,則
扇形A就是最富美感的黃金紙扇。
看圖回答下面問題:

已知上圖圓的半徑10公分,完成下表:​


在古代,紙扇除了能搞去暑意,文

人雅士還喜歡在上面作畫、題詩,因此它也是裝飾品、藝術品。以數學的觀點,可用黃金比值設計一把最富美感的扇子。如右圖,剩餘圖形B面積對扇形A面積的比比值,如果是黃金比

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:50
The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in
Answers: 1
question
Mathematics, 21.06.2019 22:00
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Answers: 3
question
Mathematics, 22.06.2019 03:40
(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?
Answers: 1
question
Mathematics, 22.06.2019 04:30
Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?
Answers: 1
You know the right answer?
在古代,紙扇除了能搞去暑意,文 人雅士還喜歡在上面作畫、題詩,
因此它也是裝飾品、藝術品。
以數學的觀點,可用黃金比值設計
一把最富美感的扇子。如右圖,
...
Questions
question
Mathematics, 20.09.2019 06:30
question
History, 20.09.2019 06:30
question
Computers and Technology, 20.09.2019 06:30
question
Mathematics, 20.09.2019 06:30
question
Mathematics, 20.09.2019 06:30
question
Mathematics, 20.09.2019 06:30
Questions on the website: 13722359