I'm confused can you edit your question and then ask it again
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:
would be A
Step-by-step explanation:
because bisecting means both sides equal the same. so 4x-12 times two is 8x-24. Hope this helps