calculate the perfect sqaure of 8 with the help of triangular numbers

Question

calculate the perfect sqaure of 8 with the help of triangular numbers

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Jade 2 months 2021-09-25T07:25:09+00:00 2 Answers 0 views 0

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    0
    2021-09-25T07:26:13+00:00

    Answer:

    64

    pls mark as brainliest

    0
    2021-09-25T07:26:26+00:00

    Answer:

    65

    Step-by-step explanation:

    The easy way to know the sqaure of a number is to multiply by itself example(8)²=8*8=64

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18:9+8+9*3-7:3-1*13 = ? ( )