check whether in this square the sum of the numbers in each row and in each column and along the diagonals is the same.

Check whether 21+sqrt3 is irrational numbers or not?

Check whether 5sqrt2 is irrational numbers or not ?

Check whether 5/(sqrt2) is irrational numbers or not?

Check whether x+3 is irrational numbers or not?

Carefully study the parallelograms. (i) Find the area of each parallelogram by counting the squares enclosed in it. For counting incomplete squares check whether two incomplete squares make a complete square in each parallelogram. Complete the following table accordingly-

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

Carefully study the following parallelograms. i) find the area of each parallelogram by counting the squares enclosed in it. For counting incomplete squares check weather two incomplete squares make a complete square in each parallelogram. complete the following table accordingly. ii) do parallelograms with equal bases and equal heights have the same area?

Check whether the given numbers are divisible by 7 :322

Here are some shapes. See whether all the shapes given in a row are congruent to each other or not. You can trace the figures and check.

Check whether the given numbers are divisible by 5 or not ? 3375