Respuesta :

Triangle ABC is isosceles so the base angles are equal.

So 2x = 50 degrees.

- and since the 3 angles of a triangle add up to 180 degrees

5y + 10 = 180 - 2(50)

5y = 180 - 100 - 10

5y = 70

y = 14 degrees   answer

hamfam2419

Answer:

14

Step-by-step explanation:

Ver imagen hamfam2419

Otras preguntas