Question

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°?

Answer 1

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



E.)area of square c2 = area of square a2 - area of square b2 + area of defect1 - area of defect2

Answer 2

I need help asap pleasse

Answer 3

@ChiefArnav

Answer 4

is there a picture given?

Answer 5

no

Answer 6

@sammixboo it would be awesome if you can help too

Answer 7

do you know what the defects method is?

Answer 8

i would go with A.

Answer 9

@AriPotta