Use the dot pattern to show
Rectangular number is a triangle number

Use the dot pattern to show Rectangular number is square number

Use the dot pattern to show Triangular number is a square number

Let r be a rational number and x be an irrational number. Use proof by contradiction to show that r + x is an irrational number.

Using dot (. ) pattern, which of the following numbers can be arranged in all the three ways i.e., line, triangle and a rectangle?

Show the following numbers on the number line 1.9

Show the following numbers on the number line 1.1

Show the following decimal numbers on the number line 0.2

Let x and y be rational numbers. Show that xy is a rational number.

Show the following decimal numbers on the number line 1.1