The given angles sum to less than 90°, so the remaining angle must be more than 90°. (The total of all angles is 180°.) Triangle ABC has an angle greater than 90°, so is obtuse. Since the triangles are similar, their corresponding angles are congruent. Hence ...
.. D. Triangle XYZ is obtuse.
Answer:
Perceptual set
Explanation:
Perceptual set is the tendency to perceive certain things and ignore others, in this case Jill is known as a 'selector' because she has certain expectations and focuses her attention on the loud children instead of the quiet ones.
The answer is 23 i believe