Real numbers and rational numbers
A triangle is
A polygon with
3 angles(x2)
3 sides
Answer:17
Step-by-step explanation: You just follow the steps.
Answer: 8x+12
Step-by-step explanation:
perimeter equals (x+4) + (3x+2) + (x+4) + (3x+2) = x+4 + 3x+2 + x+4 + 3x+2 = 8x+12
