Respuesta :

Sum of interior angles = 180(6 - 2) = 180 x 4 = 720

Interior angle = 720 / 6 = 120

so <E = <F = 120

<A = <D = 1/2( 360 - 2(120)

= 1/2(120)

= 60

so <FDA = 90 -60 = 30

Answer

C. 30

Answer:

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