she cut( )badly

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Naomi makes silver jewelry.For one style of earrings,she cut Naomi makes silver jewelry.For one style of earrings,she cuts wedges from a silver disk,as shown in the figure above.Each wedge makes a 40° angle at the center of the disk.If the weight of each uncut disk is a unidormly distributed 2.5 grams,how many grams does each wedge weigh. 色小情1年前1: xinzhao82 共回答了18个问题 | 采纳率94.4%

Naomi 做银首饰,对于一种风格的耳环,她从一个银盘上削下许多的楔形板.如图所示,每一个楔形板占40°的圆心角,如果每个银盘有2.5g 每个楔形板多重?
P.S 很简单诶

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