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MikeyMaximum

  • one year ago

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (–3, 1), (1, 1), and (1, –2). What is the perimeter of the triangle? A. 6 B. 12 C. 7 D. 14

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  1. kc_kennylau
    • one year ago
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    |dw:1434257653653:dw|

  2. kc_kennylau
    • one year ago
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    So, we need to find the length of each line

  3. MikeyMaximum
    • one year ago
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    I kinda don't know hot to do that part Am I post 2 find the slope?

  4. UnkleRhaukus
    • one year ago
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    you don't need the slope, you just need the lengths of the sides

  5. UnkleRhaukus
    • one year ago
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    how long is this side? |dw:1434259132205:dw|

  6. UnkleRhaukus
    • one year ago
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    notice how the x coordinate are the same here @MikeyMaximum, you only need to find the difference in y coordinates | 1-(-2) | = ?

  7. MikeyMaximum
    • one year ago
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    I got 3

  8. UnkleRhaukus
    • one year ago
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    yes, now what is the length of the top side of the triangle?

  9. UnkleRhaukus
    • one year ago
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    |dw:1434445510728:dw|

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