Answer:
Two Angles are Supplementary when they add up to 180 degrees.
Step-by-step explanation:
X = -
Answer:the answer is true
i hope you will get the answer
shorter piece = 6. longer piece = 12
short piece = s
long piece = l
l+s= 18
l= 6+s , substitute
6+s+s = 18
6+2s= 18
2s= 18-6
2s= 12
s=12/2
s= 6= shorter piece
l= 6+s
l= 6+6= 12 = longer piece
19.2
i believe it should be that 99% sure
