Tangent and circle

👨🏻‍🏫 學術台數學

2011-02-21 12:46 am

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Please show steps.

更新1:

In question 2, O1 and O2 represent the centre of the greater circle and smaller circle respectively.

回答 (1)

2011-02-21 2:05 am

✔ 最佳答案

As follows:

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_10Feb201758.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_11Feb201758.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_13Feb201804.gif

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