圆的面积练习题快点!我要的最好是英语的,一定要附图,越多越好!O(∩_∩)O谢谢
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圆的面积练习题
快点!我要的最好是英语的,一定要附图,越多越好!O(∩_∩)O谢谢
快点!我要的最好是英语的,一定要附图,越多越好!O(∩_∩)O谢谢
Round o1, o2 intersect at A, B, circle over circle o1 o2 center.
(1) as shown in Figure I. A do over one diameter circle o ac, cb and extending the circle with o2 in d, with do1, confirmation, do1 perpendicular to the ac;
(2) Figure II through a circle made of a non-o1 diameter strings ac, cb and extending the circle with o2 at the point d, the do1 and ac still vertical it? Please justify your conclusion.
(1) as shown in Figure I. A do over one diameter circle o ac, cb and extending the circle with o2 in d, with do1, confirmation, do1 perpendicular to the ac;
(2) Figure II through a circle made of a non-o1 diameter strings ac, cb and extending the circle with o2 at the point d, the do1 and ac still vertical it? Please justify your conclusion.
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