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coolaidd

  • 3 years ago

Find angle A if mDE is equal to 53°and mBC is equal to 8°

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  1. coolaidd
    • 3 years ago
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  2. trackzz
    • 3 years ago
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    Which grade/class is this?

  3. j814wong
    • 3 years ago
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    Measure of angle A = (1/2)(mDE-mBC)

  4. j814wong
    • 3 years ago
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    "If two secants intersect in the exterior of a circle, then the measure of the angle formed is one half the difference of the measures of the intercepted arcs."

  5. 85295james
    • 3 years ago
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    ?

  6. j814wong
    • 3 years ago
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    22.5 degrees.

  7. coolaidd
    • 3 years ago
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    its not 45?

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