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razor99

help me plzzzz

  • 2 years ago
  • 2 years ago

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  1. razor99
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    |dw:1327404120182:dw|

    • 2 years ago
  2. razor99
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    find the area of the trapezium

    • 2 years ago
  3. razor99
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    i know the formulae but i dont know how to do

    • 2 years ago
  4. razor99
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    here is the formulae

    • 2 years ago
  5. King
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    what do i hav to find?

    • 2 years ago
  6. razor99
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    |dw:1327404394659:dw|

    • 2 years ago
  7. razor99
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    area

    • 2 years ago
  8. razor99
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    plzzzzzzz help me

    • 2 years ago
  9. King
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    area of the whole house is 31cm^2? area of trapezium=16 area of rectangle =15

    • 2 years ago
  10. Diyadiya
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    is that 7 cm?|dw:1327404717507:dw|

    • 2 years ago
  11. razor99
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    yes it 7 cm

    • 2 years ago
  12. razor99
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    this is a trapizium

    • 2 years ago
  13. razor99
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    i dont know how to draw nicely.

    • 2 years ago
  14. King
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    see razor,|dw:1327404780151:dw|

    • 2 years ago
  15. Diyadiya
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    Okay here a=3cm b=5cm h=7-3=4cm Now Area= 1/2(a+b)h= 1/2* 8*4 =16 cm^2

    • 2 years ago
  16. razor99
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    thank Diyadiya

    • 2 years ago
  17. King
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    the whole house is a trapezium.....?

    • 2 years ago
  18. Diyadiya
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    No Its a rectangle + trapezium right ?

    • 2 years ago
  19. razor99
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    yeah

    • 2 years ago
  20. razor99
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    king is correct

    • 2 years ago
  21. King
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    oh!

    • 2 years ago
  22. Diyadiya
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    Question says to find the area of trapezium , not the whole house

    • 2 years ago
  23. razor99
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    yeah but the anserw u gave was wrong

    • 2 years ago
  24. Diyadiya
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    Oh wait then .. letme check again

    • 2 years ago
  25. King
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    the house is the trapezium...

    • 2 years ago
  26. razor99
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    okay the formulae says 1/2(a+b)h

    • 2 years ago
  27. King
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    u need to giv us proper diagram....

    • 2 years ago
  28. razor99
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    but didiya u have multiplied it

    • 2 years ago
  29. King
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    if u hav a question can u post it?

    • 2 years ago
  30. Diyadiya
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    \[\frac{1}{2} \times (5+3) \times 4= \frac{1}{2} \times 8 \times 4 =16\]

    • 2 years ago
  31. Diyadiya
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    What is your final answer ?

    • 2 years ago
  32. razor99
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    but in the back of the book its say the answer is its 31cm^2

    • 2 years ago
  33. Diyadiya
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    Its the area of the whole house thats area of rectangle + area of trapezium

    • 2 years ago
  34. lalaly
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    yeah diya found the area of the trapezium which the top part =16cm^2 then u find the are a of the rectangle at the bottom, = 5*3 =15cm^2 then the area of the whole thing together is 16+15=31cm^2

    • 2 years ago
  35. mark_o.
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    total At=area of rectangle + area of trapezoid At= 3x5 + (1/2)(3+5)4 At= 15 + 32/2 At= 15 + 16 =31 square meter ans....

    • 2 years ago
  36. razor99
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    ohh i get it know

    • 2 years ago
  37. razor99
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    thanx for the help everyone.

    • 2 years ago
  38. King
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    i gave u answr 31!

    • 2 years ago
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