TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS

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please PLEASE IM BEGGING YOU MY TEACHER WILL BE GIVING ME 79 IF I DIDN'T GET THIS .. OR ELSE LOWER THAN THAT. PLEASE

  • TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS -

    just delete the parethesis please

  • TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS -

    The key to this question is to realize that all the right -angled triangles are similar, and have the
    ratio of 3:4:5 in the length of their sides.
    Mark the two angles in triangle BCD with o and x
    ( you should be able to see that since XD | BC , so you can mark XDC as o and DCX as x
    continue through the other triangles...)

    Triangle XDC is similar to triangle DCB
    XD:XC:DC = DC:DB:CB = 4:3:5
    4p:3p:4
    4p/4 = 4/5
    4p = 16/5 ----> XD = 16/5
    3p/4 = 3/5
    3p=12/5 ----> XC = 12/5
    and of course ---> CD = 4

    now you have all the sides of triangle XDC
    Did you notice that
    3:4:5 = (5/4)(12/5 : 16/5 : 4) ??

    continue in this fashion until you have all sides needed.

  • TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS -

    yes sir ive got that already. i don't know what to do next. please help

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