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

What is the value of y?-example-1
User Roberto Nunes
by
3.5k points

1 Answer

12 votes

Answer:

y = 22°

Explanation:

the sum of the interior angles of a triangle is 180 degrees

40 + 2x = 180

2x = 140

x = 70

'x' and '5y' form a linear pair, meaning they add up to 180 degrees

x + 5y = 180

substitute 70 for 'x'

70 + 5y = 180

5y = 110

y = 22

User Yaroslav Melnichuk
by
3.6k points
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