Cho hình thang cân ABCD có AD//BC và BC=CD=1/2AD=a Chứng minh A, B,C, D thuộc 1 đường tròn hãy tìm tâm và bán kính của đường tròn đó

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?