Answer: A polygon in which all sides and angles are congruent is called a REGULAR POLYGON
Answer:
Regular
Step-by-step explanation:
x=6
5x+4+8x-3=79
=>13x=79-4+3
=>13x=78
=>x=78/13
=>x=6
x,y = -4, -15
wowza
that looks hard
correct answer is 16. hope that helps
