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Jellopudin

  • 3 years ago

If m∠2 = 108° and m∠P = 55°, then m∠O = ?

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  1. mathstudent55
    • 3 years ago
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    Is there a figure?

  2. Jellopudin
    • 3 years ago
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  3. mathstudent55
    • 3 years ago
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    You can go about this 2 ways. 1) The sum of the measures of the angles of a triangle is 180. Since you know m<2 = 108, and <1 is supplementary to <2, you can find the m<1. You are given the measure of <P. m<1 + m<P + m<O = 180 Solve the equation for m<O. 2) The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles. <2 ia an exterior angle. <P and <O are remote interior angles, so m<P + m<O = m<2 You know the measures of angles P and 2, so solve for m<O

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