Mathematics
Senior High
Resolved
請問這題要怎麼算？
三 進階題:每題9分,共27分
三角函數的圖形
M
已知正方形ABCD的邊長為a,A,B,D為圓心,a為半徑
各畫一個圓(如右圖),求圖中灰色部分的面積。
D
C
(解)
a
A
B
d
A a
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了解了！謝謝🙏🏻