2 years ago

Find the value of y. y = 5 y = 10 y = 47.5 y = 60

Mathematics

1 answer:

Citrus2011 [14]2 years ago

8 0

Answer:

y = 5

Step-by-step explanation:

All the sides are equal, so all the angles are equal

The angles of a triangle add to 180

180/3 = 60

Each angle is 60 degrees

8y+20 = 60

Subtract 20 from each side

8y+20-20 = 60-20

8y= 40

Divide by 8

8y/8 = 40/8

y = 5

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