500
Use figure 5:
Martina designed a painting for art class, as shown in the drawing below. Her design contains 4 circles on a square canvas. Each circle has a radius of 6 inches. The circles touch the edges of the canvas and each other, as shown below.
The shaded section of Martina’s design will be painted black. Which is the area that will be painted black? Use 3 for pi.
144