1. In the figure, the radius of circle II is 0.75 time of that of circle I.Find the
ratio of the area of circle I to that of circle II.
Maths!!!
2008-08-23 8:31 pm
回答 (1)
2008-08-23 8:47 pm
✔ 最佳答案
Radius of circle I : Radius of circle II= 1 : 0.75
Area of circle I : Area of circle II
= 1^2 : 0.75 ^2 (^2=square)
= 1 : 0.5625
(Or in fraction = 16/9 = 16:9)
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