Explicación paso a paso:
a)
m<C = 53°
m<B = m<D = 180° - 53° =127°
b)
m<D = 38°
m<B = m<C = 180° - 38° =142°
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Explicación paso a paso:
a)
m<C = 53°
m<B = m<D = 180° - 53° =127°
b)
m<D = 38°
m<B = m<C = 180° - 38° =142°