Question

The _____________ of a circle multiplied by Pi (3.14) allows you to find the circumference of a circle

Area
Diameter
Radius
Pi

Answer 1

The area of the circle

Answer 2

diameter

Explanation:

Circumference is:

C = pi•d

Here the d stands for diameter.

(You might have learned C = 2pi•r and the 2r = d)