An equilateral triangle measures 5 by 3/8 cm on one side. What is the perimeter of the traingle

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 can be used to explain a statement in a geometric proof?

Factor and solve to find roots x squared -x - 90 =0