centroid formula for triangles centroid of a trapezoid formula orthocenter circumcenter of a triangle properties of centroid the properties of the centroid are as follows: the centroid is the centre of the object. it is the centre of gravity. it should always lie inside the object. it is the ...
True or False: rectangles are trapezoids. Why is this true or false? The equations: 2x + y = 7; 3x-z = 11; 3y + 2z=-1 a) Represent a certain line as the intersection of 3 planes each of which is parallel to one of the ...
Five-dimension representation for trapezoid fuzzy numbers is put forward,the definition of similar centroid is proposed,ranking trapezoid fuzzy numbers with similar centroid method is introduced and detail rangking method is reasenable. 文章在提出梯形模糊数的5维表示及其类质心定义的基础上,引入用类质心...