問題詳情
2.半徑為4 的圓,弧長為 8,所對的圓心角為 θ,扇形面積為A ,則
(A)
(B) θ=4
(C)A=16
(D)A=32
(A)

(B) θ=4
(C)A=16
(D)A=32
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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