The pair of angles have congruent values for the sin xº and the cos yº is A: 35°, 55°.
What are congruent angles?
Angles that are of the same measurement are called congruent.
Suppose that two angles ∠A and ∠B are of same measure, then
[tex]m\angle A = m\angle B[/tex]
is the notation to say that they are of same measurement,
where the small m shows that its the measurement of the angles they're preceding.
We write the congruency between them as;
[tex]\angle A \cong \angle B[/tex]
For the pair of angles has congruent,
we have; x + y = 90°
Also,
cos x = sin y.
The only option where the angles sum up to 90° is 35°; 55°.
Learn more about congruent triangles here:
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