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A quadrilateral has angles that measure 87°, 69°, and 104°. What is the measure of the fourth angle? A. 50° B. 80° C. 100° D. 120°
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A quadrilateral has angles that measure 87°, 69°, and 104°. What is the measure of the fourth angle? A. 50° B. 80° C. 100° D. 120°

User Leniaal
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C. 100
Hope this helps

User Walk
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C. 100 because a quadrilateral must add up to 360. :)
User Hindy
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