25a-5a
Hope this helps!!!!
Area = pi*r^2
Circumference = 2pi*r
Step 1: find the radius from area
81pi=pi*r^2
81=r^2
9=r
Step 2: plug in radius to the circumference equation
Circumference = 2pi*r
18pi is the answer, otherwise know as 56.52 as well.
Answer:
there are 40 boys
Step-by-step explanation:
32/4=8 5*8=40
Answer:
$49.35
Step-by-step explanation:
Answer:
She waited five minutes.
Step-by-step explanation:
You can tell that she waited five mins because between points D and E there is a straight line meaning that she was not moving. So you know that she was standing still waiting.
I hope this helps!!!
