I don't know how to do this plz help

Find the length of cu, the triangles are similar.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle