Namaste, iam Jeanna Estrada, Have an A+ day.
Well, that’s a puzzler! Squared equals 21 - how can that be? It’s like trying to fit a square peg in a round hole. But hey, don’t throw in the towel just yet - there’s gotta be an answer. Let me think…
What Squared Equals 21? [Solved]
Wow, that’s a lot of perfect squares! From 2 to 9, they’re all here. I see 4 squared is 16, 8 squared is 64 - and look at that, 9 squared is 81! Ain’t math amazing? And the square root of each number? That’s pretty cool too.
Square Root: The square root of 21 is 4.58257569495584. This is the number that, when multiplied by itself, equals 21.
Squaring: Squaring a number means multiplying it by itself; in this case, 21 multiplied by itself equals 441 (21² = 441).
Factors: The factors of 21 are 1, 3, 7 and 21; these are the numbers that can be multiplied together to equal 21 (1 x 3 x 7 = 21).
Prime Number: A prime number is a whole number greater than 1 that can only be divided evenly by 1 and itself; in this case, 21 is not a prime number because it can be divided evenly by 3 and 7 as well as 1 and itself (21 ÷ 3 = 7; 21 ÷ 7 = 3).
Well, 21 squared is equal to 441 - that’s pretty simple!
