Question

2 angle ____ is a right angle. 3 identify the shape.

Explanation:

Step1: Identify right - angle

A right - angle is 90 degrees. In the first part, angle $\angle DEF$ has the characteristic of a right - angle (formed by two perpendicular lines).

Step2: Identify shape

The given shape has two pairs of parallel sides. This is the definition of a parallelogram.

Answer:

1. $\angle DEF$
2. Parallelogram