Application of Area Formulas

Find the areas of the various shapes given below.

Case 1 - 5 ****************************************************

Case 6 ************************************************

Circles are inscribed to the square as in the pictures. In which case is the uncovered area (yellow) the largest? Express the uncovered area as a percent of the square area.

Case 6

Case 7 ***********************************************

Find the area of the yellow shape below.

Case 7

Case 8 ***************************************************

Find the area of the shaded (red) area.

Case 8