Answer:
-0.9
Step-by-step explanation:
Answer:
p= 43.96
a= 153.86
Step-by-step explanation:
The perimeter is the same as saying the circumference and the formula for circumference is C= 2(pi)r
The area formula is A= (pi)r^2
The picture shows the diameter being 7. If you divide it in half it will give you the radius
My calculation go off pi as 3.14.
Answer:
A
Step-by-step explanation:
You mean their sum is 12?
A) x + y = 12
B) x -y = 4 then we add both equations:
2x = 16
x = 8
y = 4