The answer is D. I am sure of this. Brainpower? Have a great day!
Answer:
A = 
Step-by-step explanation:
Area of a circle is:
A = πr²
We are given a radius of 20 cm.
A = πr²
A = π(20)²
A = π400
<em>A = 400πcm²</em>
Hope this helps.
Answer:
y=mx+b
Step-by-step explanation:
The right answer is
0.627