• Aug 6, 2025 geometry resource answers mcdougal chp10 on: Arc measure = 2 × 40° = 80°. 2. Chord and Tangent Relationships Problem: Find the length of a chord given certain segment lengths, or determine the point of tangency. Solution Strategy: Use the Power of a Point theorem for secants and tangents. Apply the Pythagorean theorem By Randolph Keebler DVM
