Is there a number which is equal to its cube but not equal to its square ?If yes find it.

Find the angle which is equal to its complement.

Find the angle which is equal to its supplement.

The rational number that is equal to its negative.

In an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.

If the number has 2 or 8 in its units place then its square would end in _______

Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.

Which number has 121 as its square:

If (AB)=B'A' , where A and B are not square matrices, then number of rows in A is equal to number of column in B and number of columns in A is equal to number of rows in B .

If a number contains 3 zeroes at the end, how many zeros will its square have ? What do you notice about the number of zeros at the end of the number and the number of zeros at the end of its square ? Can we say that square numbers can only have even number of zeros at the end ?