Question

Which cube is a unit cube?

a cube that is 9 inches long, 9 inches wide, and 9 inches high
a cube that is 3 meters long, 3 meters wide, and 3 meters high
a cube that is 1 yard long, 1 yard wide, and 1 yard high
a cube that is 11 centimeters long, 11 centimeters tall, and 11 centimeters high

Answer 1

3 is the answer

Explanation:

A unit cube has side length that is 1

Answer 2

Option 3

Explanation:

A unit cube has side lengths of 1