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 defect
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

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 2

repost D alone

Answer 3

area of square c2 = area of square a2 - area of square b2 + area of defect1 - area of defect2 ?

Answer 4

or area of square c2 = area of square a2 + area of square b2 + area of defect1+ area of defect2