If ad is parallel to de and ae is parallel to ec then line segment is parallel to line segment

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Ascatter plot with a trend line is shown below. which equation best represents the given data? y = x + 2 y = x + 5 y = 2x + 5