Find the square root of 23. The second one is the same number with a negative sign.
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The prime numbers with square roots between 4 and 5 are 5 and 7.
√529 = 23 Therefore: 23 x 2 = 46
Multiply the two numbers together to obtain square feet; 8X23=184 square feet.
23 square feet = about 2.14 square meters
It is: 23 times 23 = 529 square feet