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Grade 4 HMH Go Math - Answer Keys
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Use the Venn diagram for 9–10.
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Question 9
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Which triangles do NOT have an obtuse angle? Explain.
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Question 10
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How many triangles have at least two acute angles? Explain.
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Question 11
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Use the square shown at the right. Draw a line segment from point M to point P. Name and classify the triangles formed by the line segment.
Type below:
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Question 12
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Write the letter of the triangle under its correct classification.
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(show solution)