A Tangential Pentagon Area

★ 8/10plane geometry trigonometry Tangent Circle Trigonometric Identities

Problem

A convex pentagon $ABCDE$ has $AB=5$ , $BC=CD=DE=6$ , $EA=7$ , and has an inscribed circle. Find the area of the pentagon $ABCDE$ .

Answer

Solution

Difficulty	8/10
Topics	plane geometry, trigonometry, Tangent Circle, Trigonometric Identities

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