A trapezoid is isosceles if and only if
(1) The base angles are congruent
(2) The diagonals are congruent
(3) The opposite angles are supplementary
So the description does not guarantee that a trapezoid is isoceles for "Congruent bases".
Answer: I believe it is yellow star?
Step-by-step explanation:
It goes to the opposing side of the circle, its a semicircle, or straight angle either way.
........hmmmmmmmmmmmm.......