Circle

2008-05-19 5:34 am
2 circles of diameter 1 cm and 2 cm are inscribed in a circle of diameter 3 cm. What is the diameter of the largest circle that can be put in the space between these 3 circles?

回答 (3)

2008-05-19 6:51 am
✔ 最佳答案
分析:
一個大ge圓形裝住一個直徑為1同2ge圓
2cm個個買ge圓心同3cm大圓ge周上面1點是2cm圓ge半徑
姐係1cm

1cm個個買ge圓心同3cm大圓ge周上面1點是2cm圓ge半徑
姐係0.5cm
所以就可以知道我地要重視ge係響2cm圓同1cm圓ge中間
所以我地可以得到下面ge一條式:
(2/2)+(1/2)
=1+0.5
=1.5cm
參考: myself
2008-06-24 12:58 am
2008-05-19 3:46 pm
Don't understand why a 1.5cm diameter circle can fit into the space, please draw a diagram to explain, thanks.


收錄日期: 2021-04-12 15:02:03
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