Ithink it is an easy proof but my mind is

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?