MathDB
2010 Geometry #1

Source:

January 2, 2024
geometry

Problem Statement

Below is pictured a regular seven-pointed star. Find the measure of angle aa in radians. [asy] size(150); draw(unitcircle, white); pair A = dir(180/7); pair B = dir(540/7); pair C = dir(900/7); pair D = dir(180); pair E = dir(-900/7); pair F = dir(-540/7); pair G = dir (-180/7); draw(A--D); draw(B--E); draw(C--F); draw(D--G); draw(E--A); draw(F--B); draw(G--C); label((-0.1,0.5), "aa"); [/asy]