Question

Find the square of a number less than 100 that are also rectangular number

Answer 1

Answer:

0

4

36

144

400

900

1764

3136

5184

8100

Explaination:

Rectangular number is n(n+1l), n is 0 to n

so rectangular numbers are

0

2

6

12

20

30

42

56

72

90

Answer 2

Answer:

All the square numbers are rectangular numbers. So, the square numbers less than 100 that are also rectangular numbers are

1,4 ,9, 16,25 ,36 ,49, 64 and 81