Question

What is the missing reason for line 2 in this proof?

Answer 1

Answer: Choice C

Definition of a rectangle

Step-by-step explanation:

A rectangle has two sets of parallel sides, and those opposite sides are the same length. This is simply the definition of what it means to be a rectangle. Because ABCD is a rectangle, we have these two pairs of congruent opposite sides:

• AB = CD
• AD = BC