In the diagram shown, chords AB and CD intersect at E. The measure of AC is 120°, the measure of DB is (2x)°, and the measure of ∠AEC is (4x)°. What is the degree measure of ∠AED?
Added by Jennifer J.
Step 1
Given that angle AC is 120° and angle AEC is 4x°, where x = 20 (from the explanation). Angle ABC = 1/2 * (angle AC + angle AEC) Angle ABC = 1/2 * (120° + 80°) Angle ABC = 1/2 * 200° Angle ABC = 100° Show more…
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