Answer:
Step-by-step explanation:
Reasons:
3. The measures of supplementary angles add up to 180* (2)
5. Definition of Congruence (4)
6. Substitution Postulate (3,5)
EDIT: Your statement and proof column is cut off, so I can't see the other statements to completely fill in the reasons column.
A, very simple thanks for asking!
264.8296, or 264.8 simplified.
You would multiply 4,978 by 0.532, and you'd get 264.8.
