It can be shown that opposite sides of parallelogram must be congruent , that opposite angles are also congruent , and that consecutive angles are supplementary . ...
The perimeter of a parallelogram is the sum of the lengths of its four sides. ...
the answers are A. a uniform probibilty model is a good model to repersent probiblities related to the numbers generated in pedros expriment and C. it is likely that the spinner is fair i did the test sorry if im to late