What is the value of y?

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Vilsbole asked Nov 9, 2022

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35 votes

What is the value of y?

Mathematics
high-school

Vilsbole asked Nov 9, 2022

by Vilsbole

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20 votes

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

Kirinriki answered Nov 9, 2022

by Kirinriki

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15 votes

the sum of triangle is 180:

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

JK Ly answered Nov 14, 2022

by JK Ly

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