Q: Which number between 50 and 90 is a square number?

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89

36 is a square number between 30 & 40. 36 is 6 squared.

The number is 90.

64 and 81 are squares of whole numbers. 64 is the square of 8 (8x8=64) and 81 is the square of 9 (9x9=81).

140

81; because 92 is 81.

90

fd 50 rt 90 fd 50 rt 90 fd 50 rt 90 fd 50

25, 36, 49, 64, 81

The number is the square root of 90

No, 90 is not a square number. 81 is 9 squared and 100 is 10 squared.

170

To get square footage you multiply the width by the length. In this case 90 times 50 equals 4500 sq. feet

I believe that 4604 works.

54, 63, 72, 81, 90, and 99 is.

no

60, 72, 84, 90 and 96 each have twelve factors.

The perfect square factor of 50 is 25 and the perfect square factor for 90 is 9. The perfect square factors for 50x90 25x9. Of course we also have the other factors of 2 and 2x5.

an even number between 90 and 105

Between 85 and 90... A whole number between 87 and 89

(45/50%) * 100% = 90

50

No.

No.

(80 + 90) / 2 = 85Therefore, the number between 80 and 90 is 85.