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:​

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Have yall ever just farted and was like, i farted.

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed