Respuesta :

m<A = m<D = 116
116 x 2 = 232
trapezoid , sum of interior angels = 360

so 360 - 232 = 128
but 
m<B = m<D 
so 128/2 = 64
m<B = m<D = 64

m<ABD = 64 - 24 = 40

answer
B. 40° (second choice)
jugaadsingh19

Answer:

B

Step-by-step explanation:

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