Respuesta :

9514 1404 393

Answer:

  a) 11

  b) 42

  c) 25

  d) 7.5

  e) 35.5

Step-by-step explanation:

The median is the average of the base lengths:

a) (7 +15)/2 = 22/2 = 11

b) (49 +35)/2 = 84/2 = 42

c) (18 +32)/2 = 50/2 = 25

d) (3 +12)/2  = 15/2 = 7.5

e) (31 +40)/2 = 71/2 = 35.5

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