a square has side lengths that measure square root 5 units, is the value of the perimeter of the square a rational or irrational number? Is the value of area of the square a rational or irrational number?

Question

justjm · Answer

Well, what do you think? Remember perimeter is adding up each side of the polygon, which in this case is a square. Try it out and you get 4√5. Is that a rational or irrational number?

Area is the s^2, or  (√5)^2 = 5. Is that a rational or irrational number?