Question

The radius of a circle is 4.3 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? in2

Answer 1

We know, Area = πr²
Here, π = 3.14
r = 4.3

Substitute their values,
A = 3.14 * (4.3)²
A = 3.14 * 18.49
A = 58.06

In short, Your Answer would be 58.06 in²

Hope this helps!

Answer 2

3*4.3=12.9 12.9²=166.41