20
sqrt(40) = 6.32455532 sqrt(20) = 4.47213595
4, 9, 16, 25, and 36 are the square numbers between 1 and 40.
The square numbers between 1 and 20 are 1,4,9 and 16.
There are infinitely many numbers between 20 and 40.
20
The answer depends on the units of measurement used for the numbers in the question: feet, metres, centimetres, miles, etc.
40 ft by 20 ft = (40 x 20) = 800 square feet
248
sqrt(40) = 6.32455532 sqrt(20) = 4.47213595
There are 20 odd numbers in 40.
Solving for the square root of (40/2) will result in a different answer from solving for (the square root of 40) / 2. 40/2 = 20 20^½ ≈ ±4.472 40^½ ≈ ±6.325 ±6.325 ÷ 2 ≈ ±3.162
20 x 40 = 800 square feet !
4, 9, 16, 25, and 36 are the square numbers between 1 and 40.
The square numbers between 1 and 20 are 1,4,9 and 16.
The GCF of 20 and 40 is 20. The GCF of 40 and 80 is 40.
There are infinitely many numbers between 20 and 40.