2 years ago

What is the value of y? 40° Y + 30°

Mathematics

2 answers:

Mrac [35]2 years ago

7 0

I believe The answer is y=55

stepan [7]2 years ago

4 0

Answer:

y = 55

Step-by-step explanation:

The sum of the angles of a triangle are 180

40 + y+30 + y = 180

Combine like terms

70 +2y = 180

Subtract 70 from each side

2y = 180-70

2y = 110

Divide each side by 2

2y/2 = 110/2

y = 55

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