4 root 20 July 8, 2019 16 32 64 128 4 root 20 simplified 4 root 200 4 root 200 simplified 4 root 20736 Square root 4 20ma 4 square root 200 4 square root 20736 4 root of 2000 4 root of 2048 4 under root 20 4 root of 2025 1 4 20 root diameter 4 root 1 to 20 20×4 root 3