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rebecca1233

  • 3 years ago

Six congruent equilateral triangles with a side 5 are placed point to point in a row. What is the perimeter of the figure?

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  1. rebecca1233
    • 3 years ago
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    30 60 90 120

  2. rebecca1233
    • 3 years ago
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    @hartnn

  3. rebecca1233
    • 3 years ago
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    30?

  4. hartnn
    • 3 years ago
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    could you draw the figure ? because i am having hard time interpreting ' placed point to point in a row. '

  5. rebecca1233
    • 3 years ago
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    |dw:1355413599643:dw|

  6. rebecca1233
    • 3 years ago
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    its those but in a row

  7. hartnn
    • 3 years ago
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    then the perimeter will be just 5*(3*5) 5 equilateral triangles, each with perimeter (3*5)

  8. rebecca1233
    • 3 years ago
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    15

  9. rebecca1233
    • 3 years ago
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    there is 6 of those triangles

  10. rebecca1233
    • 3 years ago
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    dont forget there is 6 of those triangles

  11. hartnn
    • 3 years ago
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    75 is not in options...ohh 6! then 6*(3*5) = 90

  12. hartnn
    • 3 years ago
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    yes!

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