1 Answer

Dwbartz · Answer 1 · 2023-08-24T06:11:53+0000

Answer:

sum is 82

Explanation:

$\sf \textsf{The 9th square number is }9^2 = 81$

$\sf \textsf{The 1st square number is }1^2 = 1.$

In order to find the sum of these two square numbers, simply add them together:

$\sf Sum = 81 + 1 = 82$

The sum of the 9th square number and the 1st square number is 82.

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