area of a beacon minecraft code example

Example 1: beacon radius minecraft

Minecraft Beacon

			   Range:
Level 1 = 20 Blocks (Needs 9 blocks) - Bonus: Speed/Haste
Level 2 = 30 Blocks (Needs 34 blocks) - Bonus: Jump Boost/Resistance
Level 3 = 40 Blocks (Needs 83 blocks) - Bonus: Strength
Level 4 = 50 Blocks (Needs 164 Blocks) - Bonus: Regeneration II/ Other Boost II
You're welcome ^^

Example 2: full beacon size

who ever typed the answer in grepper answer is a legend