The area of a circle is 0.1256 square meters. What is the circle's diameter?
Use 3.14 for a.

Answer: 0.2
Step-by-step explanation:
A = 0.1256 given
A = (3.14)r^2 formula for area of a circle
0.1256 = (3.14)r^2 substitute
0.04 = r^2 divide both sides by 3.14
0.2 = r square root of both sides