Two of the corresponding angles and the included sides of two triangles are congruent. Which statement must be true regarding the triangles

3382-299=3383- ? fill in the blank?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Use circumcenter theorem to solve for the given values