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A is the point (1,2), B is (7,4) and C is (5,6). Calculate the length of each side of the triangle ABC.

  • math -

    Use the distance formula for finding points on the xy-plane.

    Let d = distance.

    d = sqrt{(x2 - x1)^2 + (y2 - y1)^2}

    You must apply the above formula to find the distance between points A and B, B and C and A and C.

    So, you must apply the distance formula 3 times.

    Got it?

    If not, write back.

  • math -

    emm nope i don't get it, sorry, can you do this using pythagoras??

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