Será que alguem poderia me ajudar com essa questão?

If lmn=xyz, which congruences are true by cpctc? check all that apply

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?