All sides of the convex pentagon $ABCDE$ are of equal length, and $\angle A = \angle B = 90^\circ$.  What is the degree measure of $\angle E$?
Question:
All sides of the convex pentagon $ABCDE$ are of equal length, and $\angle A = \angle B = 90^\circ$.  What is the degree measure of $\angle E$?
Answer:
Let's think step by step.

user
150^\circ
All sides of the convex pentagon $ABCDE$ are of equal length, and $\angle A = \angle B = 90^\circ$.  What is the degree measure of $\angle E$?
train