题目
如果梯形ABCD的四个顶点都在○o上,AB∥CD,○o的半径为5,AB=6,CD=8,则梯形的面积是
提问时间:2021-01-02
答案
无法画图,见谅
1.圆心在梯形中
S=(6+8)*(4+3)/2=49
2.圆心在梯形外
s=(6+8)*(4-3)/2=7
1.圆心在梯形中
S=(6+8)*(4+3)/2=49
2.圆心在梯形外
s=(6+8)*(4-3)/2=7
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