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anonymous

  • one year ago

JK, KL, and JL are all tangents to circle O. If JA=13, AL=19, and CK=7 What is the perimeter of triangle JKL?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @Kash_TheSmartGuy

  3. hartnn
    • one year ago
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    do you know this property of tangents? |dw:1432751118189:dw|

  4. anonymous
    • one year ago
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    yes but i dont know what it would be for this problem

  5. anonymous
    • one year ago
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    @hartnn

  6. hartnn
    • one year ago
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    by that property , JA =JB right ?

  7. anonymous
    • one year ago
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    yes

  8. hartnn
    • one year ago
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    LA=LC ?

  9. anonymous
    • one year ago
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    i wanna say YES but im not sure, so my guess is yes

  10. hartnn
    • one year ago
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    lol same property so, LA =LC too, similarly KB =KC :)

  11. hartnn
    • one year ago
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    what will be the perimeter of triangle JKL ?

  12. hartnn
    • one year ago
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    sum of the sides of triangle JKL will be its perimeter. = JL + LK +KJ = JA + LA + KC+KB + JB and we know all of those 6 values, right? :)

  13. anonymous
    • one year ago
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    it ould be 39

  14. anonymous
    • one year ago
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    would

  15. hartnn
    • one year ago
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    how? thats just sum of 3 sides given

  16. hartnn
    • one year ago
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    JA =JB =13 LA= LC =19 KC=KB =7 perimeter = 13+13+19+19+7+7 -..

  17. hartnn
    • one year ago
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    perimeter = 13+13+19+19+7+7 = ...

  18. anonymous
    • one year ago
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    78??

  19. hartnn
    • one year ago
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    \(\huge \checkmark \)

  20. anonymous
    • one year ago
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    thanks

  21. hartnn
    • one year ago
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    welcome ^_^

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