Use the diagram to derive the law of cosines. Fill in the missing statements in the derivation.
B
a
1 a² =h² + x2
2) h2 =
3) c2 = h2 + (b − x)2
4) c² = h²+
5) c2 = a2 - x2 + b2 - 2bx + x2
6) c2 = a2 + 32
7) x = acosc
8) c2 = a² + b22abcosc
h
x
b-x
С
А
b
DONE

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d

answer: 30

step-by-step explanation: its 30 because im a basketball player and stephen curry hits most of his shots so if you put 30 you might make the shot goodluck

answer:   (s+1)(s+4)

step-by-step explanation:

factor s2+5s+4

s2+5s+4

=(s+1)(s+4)