wy
Lv 7
wy 發問於 科學及數學數學 · 1 十年前

Circle

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?

3 個解答

評分
  • 1 十年前
    最愛解答

    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

    資料來源: myself
  • wy
    Lv 7
    1 十年前

    Don't understand why a 1.5cm diameter circle can fit into the space, please draw a diagram to explain, thanks.

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