Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Extra Practice  

Find the sum of the interior angle measures of the polygon.

Find the measure of one interior angle in the regular polygon. Round to the nearest tenth if necessary.

Find the measures of an exterior angle of each regular polygon.

  • Question 26 (request help)

    The surface of the dome of Spaceship Earth in Orlando consists of repeating equilateral triangles as shown. Find the measure of each angle in each outlined triangle. Then make a conjecture about the interior angle measures in equilateral triangles of different sizes.
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  • Question 27 (request help)

    Justify Conclusions What is the sum of the interior angles on nonregular hexagons? Explain your reasoning to a classmate.
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