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nikki156789 Group Title

26. Calculate the perimeter of triangleDEF �������� a. 39.28 b. 40.32 c. 45.82 d. 72

  • 2 years ago
  • 2 years ago

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  1. phaizzpham Group Title
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    is there like an image you could draw out?, it would make it simpler if there is an image

    • 2 years ago
  2. nikki156789 Group Title
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    |dw:1332541848602:dw|

    • 2 years ago
  3. nikki156789 Group Title
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    what does the degree?

    • 2 years ago
  4. nikki156789 Group Title
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    ok?

    • 2 years ago
  5. nikki156789 Group Title
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    myko that comes out to not an option

    • 2 years ago
  6. nikki156789 Group Title
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    it comes out to 42

    • 2 years ago
  7. phaizzpham Group Title
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    this one is a tricky one let me try again

    • 2 years ago
  8. myko Group Title
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    |dw:1332542529410:dw| what this means?

    • 2 years ago
  9. phaizzpham Group Title
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    yeah that is throwing us off

    • 2 years ago
  10. nikki156789 Group Title
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    idk which is why i dont understand it

    • 2 years ago
  11. myko Group Title
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    actualy, my bad, there is no solution i guess with the info you have

    • 2 years ago
  12. phaizzpham Group Title
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    r u positive that it is a t?

    • 2 years ago
  13. nikki156789 Group Title
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    no its like an angle thing with a line through it.

    • 2 years ago
  14. phaizzpham Group Title
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    ahh thats means perpendicular i would think

    • 2 years ago
  15. myko Group Title
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    maybe it means that this top angle is half of the bottom ones?

    • 2 years ago
  16. nikki156789 Group Title
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    idk which is why im having trouble doing this problem

    • 2 years ago
  17. phaizzpham Group Title
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    ive done that and i figured out the height which is six, but idk how to apply it to figure out the parameter

    • 2 years ago
  18. SUROJ Group Title
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    |dw:1332543779552:dw|

    • 2 years ago
  19. phaizzpham Group Title
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    i think the answer is 40.32

    • 2 years ago
  20. SUROJ Group Title
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    any reason behind that?

    • 2 years ago
  21. nikki156789 Group Title
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    SUROJ be nice

    • 2 years ago
  22. nikki156789 Group Title
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    how'd you get 40.32?

    • 2 years ago
  23. phaizzpham Group Title
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    |dw:1332543858044:dw| well i tried to find the height which is 12 using the h=root3*s/2 formula, then i cut the triangle in half, then applied the A^2+B^2=C^2 to find one of the sides which is 13.89 then added all of them together which is 2*13.89+14 which is 41.78 so it could be 40.32 lol

    • 2 years ago
  24. nikki156789 Group Title
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    oh ok:)

    • 2 years ago
  25. phaizzpham Group Title
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    i could be wrong tho D:

    • 2 years ago
  26. nikki156789 Group Title
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    :/

    • 2 years ago
  27. SUROJ Group Title
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    is that equilateral triangle?

    • 2 years ago
  28. phaizzpham Group Title
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    yeah it should be

    • 2 years ago
  29. nikki156789 Group Title
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    i dont think so

    • 2 years ago
  30. nikki156789 Group Title
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    no its not cuz only two sides are the same

    • 2 years ago
  31. phaizzpham Group Title
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    or an isolyze triangle ?

    • 2 years ago
  32. nikki156789 Group Title
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    its an isosceles triangle

    • 2 years ago
  33. SUROJ Group Title
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    yes

    • 2 years ago
  34. phaizzpham Group Title
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    okay let me try again lol

    • 2 years ago
  35. nikki156789 Group Title
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    ok

    • 2 years ago
  36. nikki156789 Group Title
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    |dw:1332545361479:dw|

    • 2 years ago
  37. SUROJ Group Title
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    72

    • 2 years ago
  38. nikki156789 Group Title
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    thats the 2nd triangle

    • 2 years ago
  39. nikki156789 Group Title
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    so the perimeter of def is 72?

    • 2 years ago
  40. SUROJ Group Title
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    wait that is 42.8

    • 2 years ago
  41. SUROJ Group Title
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    yea the perimeter

    • 2 years ago
  42. SUROJ Group Title
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    sorry 45.8

    • 2 years ago
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