Question

Will give medal just plase help been stuck on this home work problem for a while!!!!! 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 ∆ABC is more than 90°? A. area of square c2 = -area of square a2 – 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 – area of defect2 C. area of square c2 = area of square a2 + area of square b2 – area of defect1 – area of defect2 D. area of square c

Answer 1

Im leaning towards A and C, but i am not sure

Answer 2

Same, i think it is A but i'm not sure.. :/

Answer 3

A will probably be you safest answer