Triangle JKL is fromed by plotting three points. What is the leanth of sides JK? j(1 , 5) k(1, 9) answers > 6

Question

Triangle JKL is fromed by plotting three points. What is the leanth of sides JK?
j(1 , 5) k(1, 9)
answers > 6 3 5 2​

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RI SƠ 5 months 2021-08-27T07:01:08+00:00 1 Answers 6 views 0

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    0
    2021-08-27T07:02:20+00:00

    Solution:

    • J (1,5)
    • K (1,9)

    \LARGE\leadsto\sf JK=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

    \LARGE\leadsto\sf \sqrt {(1-1)^2+(9-5)^2}

    \LARGE\leadsto\sf \sqrt {(0)^2+(4)^2}

    \LARGE\leadsto\sf \sqrt {0+16}

    \LARGE\leadsto\sf \sqrt {16}

    \LARGE\leadsto\sf JK=4units

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