(this is a practice question)

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Will Klein asked Jun 22, 2022

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45 votes

(this is a practice question)

Mathematics
college

Will Klein asked Jun 22, 2022

by Will Klein

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1 Answer

21 votes

Answer:

<GHI = 135 degrees

Explanation:

(3x + 12) + (x + 4) = 180

4x + 16 = 180

4x + 16 - 16 = 4x

180 - 16 = 164

4x = 164

4x / 4 = x

164 / 4 = 41

x = 41

3 * 41 + 12

3 * 41 = 123

123 + 12 = 135

ATLUS answered Jun 26, 2022

by ATLUS

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