Using the defects method, which of these relationships represents the Law of Cosines if the measure of the included angle between the sides a and b of âABC is more than 90°?
A. area of square c2 = -area of square a2 â area of square b2 + area of defect1 + area of defect2
B. area of square c2 = area of square a2 + area of square b2 + area of defect1 â area of defect2
C. area of square c2 = area of square a2 + area of square b2 â area of defect1 â area of defect2
D. area of square c