how to prove the area of equilateral triangle formula?​

Question

how to prove the area of equilateral triangle formula?​

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Valentina 1 month 2021-08-13T05:00:30+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-13T05:02:20+00:00

    Hello friend. It’s a very good question.

    Proof is given in the attachment above.

    Check it!!

    0
    2021-08-13T05:02:25+00:00

    Answer:

    1/2×base×height……

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