Question

Which circles have a circumference of 20 units?

Choose all answers that are correct.

A.
a circle with a diameter of 40 units

B.
a circle with a radius of 10 units

C.
a circle with a diameter of 20 units

D.
a circle with a radius of 20 units

Answer 1

@iGreen

Answer 2

Circumference of ___ units?

Answer 3

Your question is incomplete.

Answer 4

sorry on top

units=20

Answer 5

Okay.

\(C = \pi d\)

\(C = 2\pi r\)

Answer 6

so a and c

Answer 7

No..is that \(20 \pi\) units? In the question?

Answer 8

yes

Answer 9

A is incorrect..but C is correct.

Answer 10

b and c

Answer 11

\(C = \pi d\)

\(C = \pi(20)\)

Answer 12

Correct