Answer:2x4x6 and 1x3x5

Explanation:

Verified answer

Answer:

import java.util.Scanner;

public class KboatSDASquares

{

public static void main(String args[]) {

Scanner in = new Scanner(System.in);

int arr[] = new int[20];

System.out.println("Enter 20 numbers");

for (int i = 0; i < arr.length; i++) {

arr[i] = in.nextInt();

}

System.out.println("Perfect Squares are:");

for (int i = 0; i < arr.length; i++) {

double sr = Math.sqrt(arr[i]);

if ((sr - Math.floor(sr)) == 0)

System.out.print(arr[i] + ", ");

}

}

}

please mark me as Brainliest