SubArea: CirclesLevel: BProject ID: 2000005910Accepted: 0Clonable: 0Easy: 1The regular heptagon is inscribed in a circle. Calculate the magnitudes of the interior angles of the chordal quadrilateral ACEG. (See the picture.)α=4⋅360∘14; β=3⋅360∘14; γ=3⋅360∘14; δ=4⋅360∘14α=4⋅360∘7; β=3⋅360∘7; γ=3⋅360∘7; δ=4⋅360∘7α=4⋅180∘14; β=3⋅180∘14; γ=3⋅180∘14; δ=4⋅180∘14α=4⋅360∘14; β=4⋅360∘14; γ=3⋅360∘14; δ=3⋅360∘14