The circumference of a circle is

81 if and only if its radius is 4.

True

False

Question

Mathematics

Karson Ochoa

2 September, 23:52

The circumference of a circle is

81 if and only if its radius is 4.

True

False

+4

Answers (1)

Know the Answer?

Victoria Mahoney · Answer 1

False

Step-by-step explanation:

There are at least a couple of ways you can tell this is false.

• The given ratio 81/4 is rational; circumference to radius is irrational.

• The given ratio is about 20; circumference to radius is about 6.

The circumference of a circle is81 if and only if its radius is 4.TrueFalse

The circumference of a circle is

81 if and only if its radius is 4.

True

False