A circle has been dissected into 16 congruent sectors. The base of one sector is 1.17 units, and its height is 2.94 units. Using the area of a triangle formula, what is the approximate area of the circle?

circle A is dissected into 16 congruent sectors, one sector is highlighted

27.14 units2
27.52 units2
48.92 units2
76.44 units2