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What is the value of y?
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35 votes
35 votes
What is the value of y?

What is the value of y?-example-1
User Vilsbole
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2 Answers

20 votes
20 votes
180 = y + y + 30 + 40
180 = 2y + 70
180 - 70 = 2y
110 = 2y
y = 110/2
y = 55
User Kirinriki
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2.8k points
15 votes
15 votes

the sum of triangle is 180:


y + 40 + y + 30 = 180 \\ 2y + 70 = 180 \\ 2y = 180 - 70 \\ 2y = 110 \\ y = (110)/(2) \\ y = 55

User JK Ly
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