【實用娛樂app】Squaring the Circle|最夯免費app-綠色工廠好玩App

Try to solve the greatest mathematical problem of the ancient world. Construct a square equal in area to a circle. Tap the screen, hold the tap and move the finger to draw a square. Release the tap when you think the areas of the square and the circle are equal. Your score is calculated from an average of 5 tries.