Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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Find the measures of the angles in the triangle.

  H.O.T. Problems Higher Order Thinking  

  • Question 13 (request help)

    Persevere with Problems Use the figure below to informally prove that an exterior angle of a triangle is equal to the sum of its two remote interior angles.

    Given: ΔABC; ∠1 is an exterior angle.

    Prove: m∠1 = m∠2 + m∠3

    Proof:
  • Type below:
  • Question 14 (request help)

    Find the Error Alma is finding the measures of the angles in a triangle that have the ratio 1:3:5. Find her mistake and correct it.
  • Type below:
  • Question 15 (request help)

    Justify Conclusions Make a conjecture about the sum of the interior angles of a quadrilateral. Justify your reasoning.
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