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anonymous

  • 4 years ago

when ur using phythagoream theorem for special right triangles how do you know whether it's 30-60-90 or 45- 45- 90??/

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  1. anonymous
    • 4 years ago
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    take inverse cos sin or tan of corresponding legs

  2. anonymous
    • 4 years ago
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    we haven't learned inverse cos, sin, or tan of corresponding legs yet

  3. anonymous
    • 4 years ago
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    |dw:1327863503238:dw|

  4. Mertsj
    • 4 years ago
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    You look at the angles. If they are not given you look at the relationships between the sides.

  5. Mertsj
    • 4 years ago
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    If it's a 45-45-90, then two of the sides will be equal and the other one will be one of the equal sides multiplied by sqrt2.

  6. anonymous
    • 4 years ago
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    what about 30-60-90

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