You would do
3.14*r^2
which is 3
r=3
what you do is
3.14*3*3 which is 28.26cm^2 which is D
Answer:21
Step-by-step explanation:
Add them all up
Answer:
y=3x-14
Step-by-step explanation:
All the sides add like a rectangle with two sides measuring 4 and two measuring 2 so you would add 4+4+2+2=12