Respuesta :

Answer:

#7

Ratio of corresponding sides (determined by opposite angles)

  • 28/35 = 4/5
  • 20/25 = 4/5
  • 12.4/15.5 = 4/5

The ratios are equal, the polygons are similar

# no number

Ratios:

  • 5/15 = 1/3
  • 7/21 = 1/3

Yes, similar

# 8

The triangles are isosceles.

The ratios of bases and sides:

  • 8/12 = 2/3
  • 5/7.5 = 2/3

B. ABC ~ MNO, SSS