(10) - Incoming

Geometry Level 4

$\text{E}$ is on line segment $\text{DA}$ of convex quadrilateral $\text{ABCD}$ such that $\text{EA} = \text{AB}$ and $\text{DE} = \text{CD} = \text{BC} = \text{CA}$ . What is the measurement of $\widehat{\text{ABC}}$ in degrees?

54 120 60 108 132 84 96 72