How do I solve #7? do i add all the angles together like a normal triangle and make it equal to 180?

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Runesoerensen asked Dec 22, 2023

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How do I solve #7? do i add all the angles together like a normal triangle and make it equal to 180?

How do I solve #7? do i add all the angles together like a normal triangle and make-example-1

Mathematics
college

Runesoerensen asked Dec 22, 2023

by Runesoerensen

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24 votes

Answer:

126 degrees

Explanation:

Triangle: y = 180 - (5x + 4x)

Straight angle: y = 180 - (4x + 30)

180 - (5x + 4x) = 180 - (4x + 30)

5x + 4x = 4x + 30

5x = 30

x = 6

Angle:

y = 180 - (5x + 4x)

y = 180 - 9x

y = 180 - 9(6)

y = 126

Stuart Casarotto answered Dec 28, 2023

by Stuart Casarotto

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