Answer:
Please add a picture!
Step-by-step explanation:
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:
#1. A. C. D.
#2. D. F.
3^4 equals 81 and so do answer D. & F.
Have you been taught the butterfly technique
X= 5 and it also equals -5
