Answer:
129.89 m²
Step-by-step explanation:
Area of a circle of radius r is A = πr².
If r = 6.43 m, then A = π(6.43 m)² = 129.89 m²
The answer is 1.12% decrease
Explanation in image
The Simple interest will be "$400".
Given values are:
- Principle, P = $500
- Interest rate, R = 10%
- Time, T = 8 months
As we know,
→ 
By substituting the values, we get
→ 
→ 
→
($)
Thus the above response is correct.
Learn more about Simple interest here:
brainly.com/question/15469221
can you get a better picture of it so I can possibly find the answer.