Answer:
circumference = 2 π r
r = 10/2 = 5inches
circumference = 2π ×5= 10π inches
option A
Ab is congruent to de so the second choice
$180 divided by the minutes in an hour (60)
180 / 60 = 3
They are charged $3 every minute.
300 people, I think. One fourth of 1,200 is 300.
