Solution: Find the angle AED of a square

A square section ABCD has one of its sides equal to x. Point E is inside the square forming an equilateral triangle BEC having one side equal in length to the side of the square. Find the angle AED.

Find the angle AED

Problem Statement: ECE Board April 1991

A square section ABCD has one of its sides equal to x. Point E is inside the square forming an equilateral triangle BEC having one side equal in length to the side of the square. Find the angle AED.

Problem Answer:

The angle AED is equal to 150°.

Solution:

Online Questions and Answers in Plane Geometry


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