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marcoduuuh Group Title

If XYZ is an isosceles triangle with base , what is the measure of Z? (Picture below.)

  • one year ago
  • one year ago

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  1. marcoduuuh Group Title
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    • one year ago
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  2. marcoduuuh Group Title
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    Isosceles means all sides are the same right?

    • one year ago
  3. alexeis_nicole Group Title
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    two sides are the same

    • one year ago
  4. alexeis_nicole Group Title
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    |dw:1358999563735:dw|

    • one year ago
  5. marcoduuuh Group Title
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    What is the formula to find it?

    • one year ago
  6. freakshow Group Title
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    Answer is 60 degrees.

    • one year ago
  7. KenField Group Title
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    The answer would be 30 degrees, because both angle Z and angle Y have to be 30 (to equal 60).

    • one year ago
  8. marcoduuuh Group Title
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    Thank you @KenField.

    • one year ago
  9. marcoduuuh Group Title
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    Oh wait, it's 60 lol.

    • one year ago
  10. freakshow Group Title
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    It is 60 because 120 is the external angle and since sum of Y + Z is equal to the external angle and Y=Z since triangle is isosceles,therefore Z = 60.

    • one year ago
  11. KenField Group Title
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    OH my bad. Didn't even think of the external angle haha.

    • one year ago
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