two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lentwo sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lengths of the sides of an isosceles triangle with the sa
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![two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lentwo sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lengths of the sides of an isosceles triangle with the sa](/uploads/image/z/11856281-41-1.jpg?t=two+sides+of+a+triangle+have+lengths+28.2cm+and+18.8cm%2Cthe+angle+between+them+is+41.5%2Cfind+the+lentwo+sides+of+a+triangle+have+lengths+28.2cm+and+18.8cm%2Cthe+angle+between+them+is+41.5%2Cfind+the+lengths+of+the+sides+of+an+isosceles+triangle+with+the+sa)
two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lentwo sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lengths of the sides of an isosceles triangle with the sa
two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the len
two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lengths of the sides of an isosceles triangle with the same area,
two sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lentwo sides of a triangle have lengths 28.2cm and 18.8cm,the angle between them is 41.5,find the lengths of the sides of an isosceles triangle with the sa
有两边一角可以求出第一个三角形面积
sin41.5 * 28.2 * 18.8/2
有了面积,求等面积等边三角形边长
无解...确定不是正三角形?
我觉得这是一个有关三角形的问题,告诉你三角形的两条边分别为28.2cm and 18.8cm,然后又告诉你了,这两条边的夹角是 41.5度。求另外一条边的长度是多少??
isosceles 这个单词是什么啊?有没有打错啊?