What is the measure of ∠ECA?
- DWReadLv 73 years agoFavorite Answer
Chord AC subtends a minor chord of 360°-200° = 160°.
Angle AEC = 160°
Angle ECA = (180°-160°)/2 = 10°
- BrainardLv 73 years ago
The last question I answered did not seem to help so I will not waste my time answering this.
- ted sLv 73 years ago
hint : tangent line to a circle is ALWAYS perpendicular to the radius....on the other hand the degree measure of EBC is 10°