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Clearnote
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Senior High
Chemistry
為啥第3小題最小的角度是兩徑?
Chemistry
Senior High
over 2 yearsago
Maggie
為啥第3小題最小的角度是兩徑?
* 混合題 15.設扇形圓心角 0,半徑,已知此扇形面積為 100。 (1)試選出 0 等於下列哪一個選項。(單選)答:(。 (A) 100 (B) 150 (C)200 (D) 250 (E) 300 (2)試以r與0表示此扇形周長。 VB+25- (3)試求此扇形周長的最小值。 40 算几不等式算权平均取了几何平均权 YO + 24 (re)(2) 2 十 #re+2340. re+2r 40 Z JroXzr) 1600721²0 4. 日約2徑=1146 1.
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