Though these segments aren't marked congruent in the diagram, the two lines inside the circle making up the bases of the triangles are congruent as all radii are congruent. So the triangles are congruent by SAS.
None of them have a solution of x, but 5x=15, 7x-2=19, and 5x+6=21 all have the same answer of x=3
How do you do a box and whisker plot using 18,18,17,19,20,22,22,22,22,23,25 and26
sashaice [31]
What a whisker plot exactly
