Respuesta :

DEF there are 3 angles so it's triangle. The two sides are the same so it is an isosceles triangle. The sum of the interior angles of a triangle is 180⁰. So we just:
180:(2+4+4)=180:10=18
18*2=36 (D ancle)
4*18=72 (others I mean E and F)

Answer:

magnitude of D = 36⁰

magnitude of E = 72⁰

magnitude of F = 72⁰

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