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Problem 18: Right triangle, Angles, Double-Angle,
Congruence. Level: High School, SAT Prep, College
geometry
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The figure shows a right triangle ABC,
angle CAE = 2.angle BAE, and angle C = angle AED. Prove that DE
= 2BE.
Post a comment or solution.

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See Also:
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Problem
19.
Isosceles Right triangle, perpendicular, Excenter, Congruence. |
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Problem
17.
Right triangle, altitude, and angles. |
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Problem
16.
Triangle, cevian, perpendicular, angles, angle bisector, degrees. |
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