Question

list the square rectangular triangular and line numbers from the whole numbers between 1 to 50

Answer 1

Square Numbers

1² = 1

2² = 4

3² = 9

4² = 16

5² = 25

6² = 36

7² = 49

Rectangular numbers

0,

2,

6,

12,

20,

30,

42.

Triangular Numbers

0,

1,

3,

6, 10

, 15

, 21,

28

, 36

, 45,