divablakelights
divablakelights divablakelights
  • 28-05-2021
  • Geography
contestada

I need help ASAP pls

I need help ASAP pls class=

Respuesta :

ghaithgh
ghaithgh ghaithgh
  • 28-05-2021

Answer:

m< B = 120°

Explanation:

The sum of the angles of a trapezoids 360°

m<c=m<D= 60°

60°+60°+2x=360°

120°+2x=360°

2x=360°–120°

2x=240°

x=240/2

x=120°

So : m<B =120°

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