Respuesta :

Answer:

Step-by-step explanation:

exterior angles add up to 180

formula=180/number of sides (this only works for regular polygons)

180/3=60

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Answer:

Solution given:

Since all side of a triangle is equal so it is a equilateral triangle.

we know that,

each angle of a triangle is 60°

now

∡DAC=∡BCA being alternate angle

Step-by-step explanation:

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