The missing interior angle is the remainder after the two known angles account for part of a triangle’s fixed total. We’ll write all three angles in one sum, combine only the known measures, and verify the recovered angle by rebuilding the full total.
Inside Gozunta
Turn the preview into practice.
More than a preview
Gozunta lets you study this problem—and more than 10,000 others.
Create targeted learning sessions, use hints, check your answer, read the walkthrough, watch the video, print the work, and track your progress.