What would make the estimation of the circle’s area more precise?

Question

Revolt · Accepted Answer

What is the approximate circumference of the circle?:

18.8 units

What is the height of the parallelogram?:

3 units

What would be the approximate length of the parallelogram if the base were completely straight?:

9.4 units

Selection 4:

breaking the circle into more sectors

Selection 5:

28.3 square units

Area of a Circle and a Sector