Can someone help me, if u can ty bless you.

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500