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wlbrt316 Group Title

perimeter=23 feet

  • 2 years ago
  • 2 years ago

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  1. Insanity Group Title
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    area?

    • 2 years ago
  2. CptnChiguire Group Title
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    Of what figure?

    • 2 years ago
  3. wlbrt316 Group Title
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    |dw:1317774831555:dw|

    • 2 years ago
  4. CptnChiguire Group Title
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    Is the whole bottom side 2x ft long?

    • 2 years ago
  5. wlbrt316 Group Title
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    yes

    • 2 years ago
  6. CptnChiguire Group Title
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    The perimeter is the sum of the sides, so: x + 2x + (3 + x) = 23 4x + 3 = 23 4x = 20 x = 5

    • 2 years ago
  7. wlbrt316 Group Title
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    thanks

    • 2 years ago
  8. CptnChiguire Group Title
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    Now for the area you need to find the height:

    • 2 years ago
  9. wlbrt316 Group Title
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    yes but i know about that i just need the perimeter and i aslo have one more

    • 2 years ago
  10. CptnChiguire Group Title
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    Let y be the length of the left part of the bottom side, we have: y^2 + h^2 = 5^2 and: (10 - y)^2 + h^2 = 8^2

    • 2 years ago
  11. wlbrt316 Group Title
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    |dw:1317775181974:dw|

    • 2 years ago
  12. wlbrt316 Group Title
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    and this time perimeter=24 meteres

    • 2 years ago
  13. CptnChiguire Group Title
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    so you sum all four sides: 2x + (x+3) + 2x + (x + 3) = 24 6x + 6 = 24 6x = 18 x = 3

    • 2 years ago
  14. wlbrt316 Group Title
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    i think its that way because my math teacher doesnt teach us at all and me and my classmates get confused

    • 2 years ago
  15. wlbrt316 Group Title
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    thanks for explaining to me

    • 2 years ago
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