Answer:
The estimate area of the circle is
Step-by-step explanation:
we know that
The area of a circle is equal to
In this problem we have
substitute
Answer:
-144 or 2 5
Step-by-step explanation:
Answer:
After expanding the polynomial we get
Step-by-step explanation:
We need to expand the polynomial
Multiply the terms:
So, after expanding the polynomial we get