Use The Alternate Interior Angles Theorem diagram to answer the question. Give the missing reason in this proof for the letter given.
Picture: h t t p s : / / g y a z o .c o m / ad50990d6cffced695319acbd3cdc848 (un-space the link to see)
FILL IN THE BLANK:
a. (1 point)
b. (1 point)
c. (1 point)