Question

PLSSSS ANSWER I will give 35 POINTS

Which of these pairs of quantities are proportional to each other?

1.Radius and diameter of a circle
2.Radius and circumference of a circle
3.Radius and area of a circle
4.Diameter and circumference of a circle
5.Diameter and area of a circle

Answer 1

1.Radious and diameter of a circle

Answer 2

1. radius and diameter of a circle

Explanation:

one can find the diameter using the radius and the opposite can work to.