Math, asked by ajeet2dehri, 10 months ago

Without using a diagram find:
9th square number
7th rectangular number

Answers

Answered by sabitakumari6418

17

Step-by-step explanation:

the 9th square no.is 81 and 7th rectangular no. is the no. that canbe arranged to form a rectangle is called rectangular no.

Answered by ds5989815

3

Answer:

7th triangular number = 1+2+3+4+5+6+7=28 and 9th square number = 9×9=81

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