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Find BC if B(8,-7) and C1-4,-2).


Sagot :

Using distance formula :

  • [tex] \sqrt{(x_2 - x_1) {}^{2} + (y_2 - y_1) {}^{2} } [/tex]

  • [tex] \sqrt{(8 - ( - 4)) {}^{2} + ( - 7 - ( - 2)) {}^{2} } [/tex]

  • [tex] \sqrt{(12) {}^{2} + ( - 5) {}^{2} } [/tex]

  • [tex] \sqrt{144 + 25} [/tex]

  • [tex] \sqrt{169} [/tex]

  • [tex]13 \: \: units[/tex]