Respuesta :

Yes for the first one beacuse of the numbers on the graph
mhanifa

Step-by-step explanation:

#1

Yes

If you connect the points plotted, they will form a line and will pass through the origin.

This is indication of the proportional relationship.

The equation of circumference is:

  • C = 2πr

Since 2π is a constant value, the equation above represents a proportional relationship.

#2

  • AC is the dimeter

#3

  • DB is the radius

#4

  • Circumference is the perimeter of the circle.

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