MathDB
area of cyclic octagon, 4 sides->4,others->6 (2011 From Tasks to Tasks, p14 Ukr)

Source:

May 2, 2021
geometryoctagoncyclic quadrilateral

Problem Statement

The lengths of the four sides of an cyclic octagon are 44 cm, the lengths of the other four sides are 66 cm. Find the area of ​​the octagon.