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The perimeter of a rectangular plot of land is 250 meterr.If
题目内容：
The perimeter of a rectangular plot of land is 250 meterr.If the length of one side of the plot is 40 meters,what is the area of the plot,in suqre meters.
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.
这两题有点看不懂,优质解答
一个长方形的地的周长是250米.如果一边的长是40米,那么这块地的面积是多大?答案用方米.
Naomi 做银饰.为了做一套耳环,她从一块银碟上切出银块,如图.切出的块从银碟的中心是40°.如果每一块没有切出的银碟平均2.5克,那么每块切出来的银块有多重?
楼上的你的翻译把题复杂化了.
The perimeter of a rectangular plot of land is 250 meterr.If the length of one side of the plot is 40 meters,what is the area of the plot,in suqre meters.
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.
这两题有点看不懂,
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.
这两题有点看不懂,
优质解答
一个长方形的地的周长是250米.如果一边的长是40米,那么这块地的面积是多大?答案用方米.
Naomi 做银饰.为了做一套耳环,她从一块银碟上切出银块,如图.切出的块从银碟的中心是40°.如果每一块没有切出的银碟平均2.5克,那么每块切出来的银块有多重?
楼上的你的翻译把题复杂化了.
Naomi 做银饰.为了做一套耳环,她从一块银碟上切出银块,如图.切出的块从银碟的中心是40°.如果每一块没有切出的银碟平均2.5克,那么每块切出来的银块有多重?
楼上的你的翻译把题复杂化了.
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