三点如何快速确定一个圆 三点怎么确定一个圆
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随便找两条边，通过每条边的中心做垂线，两条垂线的焦点就是圆心，以此点为圆心，以此点到任意一点的距离为半径画圆就是了将三个点连接起来，做新三角形每个角的角平分线，交于一点，以此点为圆心以此点到任意一顶点距离为半径做圆即可。
绛旓細棣栧厛锛屾垜浠彲浠ユ敞鎰忓埌閫氳繃绾挎涓婄殑浠绘剰涓変釜鐐瑰彲浠ョ‘瀹氫竴涓渾銆傛墍浠ワ紝鎴戜滑闇瑕佹壘鍒扮嚎娈典笂涓嶉噸澶嶇殑涓変釜鐐圭殑缁勫悎鏁銆傜嚎娈礎BCD涓婃湁4涓偣锛屾墍浠ュ彲浠ラ夋嫨鐨勪笁涓偣鐨勭粍鍚堟暟涓篊(4, 3) = 4銆備絾鏄紝鎴戜滑闇瑕佹帓闄ゆ帀閫氳繃鍚屼竴缁勪笁涓偣鏋勬垚鐨勫渾銆傚鏋滀笁涓偣鍏辩嚎锛岄偅涔堝畠浠棤娉曠‘瀹氫竴涓渾銆傛墍浠ユ垜浠渶瑕佹帓闄よ繖绉嶆儏...
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