A circle has an integral radius of 5 cm. Then the nature of the perimeter is ___. [rational/irrational]
2πr is the circumference of the circle. As π is irrational, the perimeter is also irrational.
A circle has an integral radius of 5 cm. What is the nature of its perimeter?
A circle has a radius of 7 cm. What is the nature of its circumference?
A circle has a radius of 7 cm. What is the nature of the value of its circumference?
A circle has a radius of 5 cm. What is the nature of its perimeter?