Answer:
4. no not similar
Explanation:
- the sum of the interior angles in a triangle is 180°
Find angle U
180 - 42 - 62 = 76°
Find interior angle s
62° because it's an opposite angle
Find angle R
180 - 78 - 76 = 40°
no, the triangles are not similar, angles are different, so answer n° 4