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Home > CC4 > Chapter 10 > Lesson 10.1.1 > Problem 10-20


The two triangles below are congruent such that . Make a sketch of the triangles on your paper and then label all three sides and all three angles. Note: The triangles are not drawn to scale. Homework Help ✎

Pay attention to the order of the letters in the congruence statement.
Review the Math Notes box in section 7.1.4.
Since is a right triangle, you can use the Pythagorean theorem to solve for side .

Which side corresponds to ? ?