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Construct a triangle from three its sides provided a segment a must belong to a given ray, and one of the ends of a segment c must coincide with a point B. The triangle should be protracted to the upper half-plane of the ray.
Solve the problem alone and verify your solution by using the "Verify" button. The result will not be registered. If you want to watch the video clip including the problem solution, click the "Motion video" button in the suitable theory section.
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