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anonymous

  • 5 years ago

need help on work sheet

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    how do find the area on the first four i already found the perimeter

  3. anonymous
    • 5 years ago
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    Perimeter is length x width. or for the first one, just side^2

  4. anonymous
    • 5 years ago
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    For the second one, draw a line so you end up with a square and a triangle. Area of square is (side) x (side) and Area of triangle is 1/2(base)(height). then add those 2 answers together

  5. anonymous
    • 5 years ago
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    On that other, I meant AREA is length x width

  6. anonymous
    • 5 years ago
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    On #3, area of a circle is pi*r^2. They give you the diamter, so half of that would be the radius.

  7. anonymous
    • 5 years ago
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    so the area for the first one is 14.44

  8. anonymous
    • 5 years ago
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    #4 is half a circle, so again do pi*radius^2, but then divide your answer by 2 since it's only 1/2 a circle

  9. anonymous
    • 5 years ago
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    Yes, 14.44 m^2

  10. anonymous
    • 5 years ago
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    for number 2 what is the top number

  11. anonymous
    • 5 years ago
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    YOu know the square has a lenght of 2.5, so if you subtract 4.7 - 2.5, that will give you the base of triangle

  12. anonymous
    • 5 years ago
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    so the area for number 2 is 5.5

  13. anonymous
    • 5 years ago
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    I got 9

  14. anonymous
    • 5 years ago
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    so number 2 that area is 9

  15. anonymous
    • 5 years ago
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    the area of the square is 2.5x2.5 the area of the triangle is 1/2(base)(height) = (1/2) (2.2) (2.5)

  16. anonymous
    • 5 years ago
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    then add those 2 answers

  17. anonymous
    • 5 years ago
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    Sorry, I've got to go....good luck!

  18. anonymous
    • 5 years ago
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    thank for the help

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