'40 squared' simply means 40 times itself (40 x 40) which equals 1,600
If x squared = 40 then x = square root of 40 = +/- 6.3255555
50 feet. It's a right angled triangle with sides of 30 and 40 feet and you need to work out the hypotenuse 30 squared + 40 squared = 50 squared (Pythagoras)
40
7 squared and 3 squared. 49 - 9 = 40
No. For it to work, then 3 squared and 4 squared would have to be equal to 6 squared. 4 squared=16 3 squared= 9 9+16= 25 6 squared= 36.
402 = 1600
1600
40
1 squared radical 40 is equal to 1 squared radical (4 x 10), and this become 2 squared radical 10. By adding 2 squared radical10 with 3 squared radical 10 we get 5 squared radical 10.
40 is divisible by 1 (1 squared) and by 4 (2 squared).
40 cm * 40 cm = 1600 cm2
a hundred million squared