
Step-by-step explanation:
d=20
r=10
π=3



Answer:
Yes, SAS theorem. Angle ACB and Angle ECD are congruent because of the vertical angles theorem.
Step-by-step explanation:
The construction crew took
days to build
miles of road.
Therefore, in 1 day, the crew built
miles of road
=
miles of road
Thus, the required rate is
miles or
miles per day.