# What is the area of the circle in the diagram if the diameter is 1.61803?

2.0561889487

Explanation

The area of a circle is calculated as $$PI (π) * radius^2$$ . In this scenario the radius would be 1.61803 / 2 which equals 0.809015. The you would take 0.809015 and square it which equals 0.6545052702. The final result is calculated by multiplying 0.6545052702 by $$PI\pi$$.