IKMC 2023 - Grades 7-8 - Self-study Question 16

Question 16

Triangle ABC is isosceles with $\angle ABC=40^\circ$. The two marked angles, $\angle EAB$ and $\angle DCA$, are equal. What is the size of angle CFE? Question illustration

$55^\circ$
$60^\circ$
$65^\circ$
$70^\circ$
$75^\circ$