A circle has an integral radius of 5 cm. What is the nature of its perimeter?
Irrational
Rational
Integer
Can't say
2πr is the circumference. As π is irrational, the perimeter is also irrational.
A circle has a radius of 5 cm. What is the nature of its perimeter?
The area of a square is 8cm2. What is the nature of its perimeter?
A circle has an integral radius of 5 cm. Then the nature of the perimeter is ___. [rational/irrational]
A circle has a radius of 7 cm. What is the nature of the value of its circumference?
If A (1, 2) and B (5, 6) are the coordinates of an equilateral triangle. Then what can we say about the abscissa of the third vertex?