# Online Math: Geometry Problem 1028: Right Triangle, Double Angle, Midpoint, Congruence. Level: School, College.

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The figure below shows a right triangle ABC with D on AB so that DE = CE and angle DAE = 2 angle CAE = 2 angle BCD. Find the measure of angle CAE.

## Mind Map: George Pólya's 1945 book, "How to Solve It"

George Pólya's 1945 book "How to Solve It, A new aspect of Mathematical Method", is a book describing methods of problem solving. It suggests the following steps when solving a mathematical problem: (1) First, you have to understand the problem. (2) After understanding, then make a plan. (3) Carry out the plan. (4) Look back on your work. How could it be better?
A mind map is a diagram used to visually organize information, knowledge, concepts or ideas.

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Last updated: Sep 19, 2014