Which of these four sets of side lengths will form a right triangle? BREE
Set 1
6 cm, 7 cm, 12 cm
Set 2
8 in, 29 in.
35 in
Set 3
mm, 4 mm, 6 mm
Set 4
9 ft, 26 ft, 6 ft
Set 1
Set 2
Set 3
Set 4

12cm

the answer is d

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation:

27 +27 or 27times 2=54

the diffrence is 0