Respuesta :

Answer:

Step-by-step explanation:

Sum of angle in a triangle=180°

Given angle are= 60°,60°,y°

So 60+60+Y=180

Y=180-120

Y=60°(option d) is answer

mariamawitdemeke

Answer:

Since, a triangle’s interior angles makeup 180°

80°+60°+y=180

140°+y=180

y=180°-140°

y=40°

But, it can be option A because it’s an equilateral triangle and the angles don’t math, an equilateral triangle has equal angles

So, it’s one of them

Step-by-step explanation:

I tried my best, please give me brainliest

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